It doesn't delete the screenshot when I close the tab

shutter --debug
WARNING: Net::DBus::GLib is missing --> Ubuntu One support will be disabled!

WARNING: Image::ExifTool is missing --> writing Exif information will be disabled!

INFO: gathering system information...

Linux X58A-UD5 3.5.0-22-i7 #34 SMP PREEMPT Fri Jan 11 05:15:44 CET 2013 x86_64 x86_64 x86_64 GNU/Linux

Ubuntu 12.10 \n \l

Glib 1.261
Gtk2 1.244

Glib built for 2.33.6, running with 2.34.1
Gtk2 built for 2.24.13, running with 2.24.13

Distorsión de barril - /usr/share/shutter/resources/system/plugins/perl/spbardistortion/spbardistortion
Negativo - /usr/share/shutter/resources/system/plugins/perl/spnegate/spnegate
Polaroid - /usr/share/shutter/resources/system/plugins/perl/sppolaroid/sppolaroid
Redimensionar - /usr/share/shutter/resources/system/plugins/perl/spresize/spresize
Sepia - /usr/share/shutter/resources/system/plugins/perl/spsepia/spsepia
Sombra fuerte - /usr/share/shutter/resources/system/plugins/perl/spshadow/spshadow
Marca de agua - /usr/share/shutter/resources/system/plugins/perl/spwatermark/spwatermark
Escala de grises - /usr/share/shutter/resources/system/plugins/shell/spgrayscale/spgrayscale
Desplazamiento - /usr/share/shutter/resources/system/plugins/shell/spoffset/spoffset
Aumentar el borde - /usr/share/shutter/resources/system/plugins/shell/spraise/spraise
Bordes suaves - /usr/share/shutter/resources/system/plugins/shell/spsoftedges/spsoftedges
Borde hundido - /usr/share/shutter/resources/system/plugins/shell/spsunk/spsunk
Papel torneado - /usr/share/shutter/resources/system/plugins/shell/sptornedpaper/sptornedpaper
Autorrecortar - /usr/share/shutter/resources/system/plugins/shell/sptrim/sptrim
Current window manager: GNOME Shell
Current window manager: GNOME Shell

type_changed was emitted by widget Gtk2::ComboBox=HASH(0xbbcb08)

(shutter:5666): gnome-vfs-modules-WARNING **: Could not initialize inotify

progname_toggled was emitted by widget Gtk2::CheckButton=HASH(0xba5de0)

im_colors_changed was emitted by widget Gtk2::ComboBox=HASH(0xba5df8)

im_colors_toggled was emitted by widget Gtk2::CheckButton=HASH(0x3326ba8)

thumbnail_changed was emitted by widget Gtk2::HScale=HASH(0x332cc48)

thumbnail_toggled was emitted by widget Gtk2::CheckButton=HASH(0x33273a0)

bordereffect_toggled was emitted by widget Gtk2::CheckButton=HASH(0x3326e78)

bordereffect_changed was emitted by widget Gtk2::SpinButton=HASH(0x3326ec0)

menu_delay_changed was emitted by widget Gtk2::SpinButton=HASH(0xb8ff18)

hide_time_changed was emitted by widget Gtk2::SpinButton=HASH(0x3337ee0)

ns_changed was emitted by widget Gtk2::ComboBox=HASH(0x33383f0)
Gtk-WARNING **: Failed to set text from markup due to error parsing markup: Error en la línea 1, carácter 43: « » no es un carácter válido a continuación de los caracteres '</'; « » no debe iniciar un nombre de elemento at /usr/bin/shutter line 2316.
Gtk-WARNING **: Failed to set text from markup due to error parsing markup: Error en la línea 1, carácter 43: « » no es un carácter válido a continuación de los caracteres '</'; « » no debe iniciar un nombre de elemento at /usr/bin/shutter line 2677.

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)
Updating fileinfos for key: [1] - captura_20130112_001.png
file:///home/simon/Imágenes/capturas/captura_20130112_001.png thumbnail already exists
file:///home/simon/Imágenes/capturas/captura_20130112_001.png thumbnail already exists

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)
*** unhandled exception in callback:
*** Can't call method "cancel" on an undefined value at /usr/bin/shutter line 5452.
*** ignoring at /usr/bin/shutter line 2893.

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

fct_update_tray_menu was called by Gnome2::Wnck::Screen=HASH(0x2e9cad8)

quit was emitted by widget Gtk2::ImageMenuItem=HASH(0x2f842e8)