build failure: 'list' may be used uninitialized in this function

When trying to build bamf from trunk I get the following error:

...
  CC bamfdaemon-bamf-view.o
  CC bamfdaemon-bamf-control.o
  CC bamfdaemon-bamf-matcher.o
/tmp/portage/x11-libs/bamf-9999/work/bamf-9999/src/bamf-matcher.c: In function 'get_gnome_control_center_window_hint':
/tmp/portage/x11-libs/bamf-9999/work/bamf-9999/src/bamf-matcher.c:2178:16: error: 'list' may be used uninitialized in this function [-Werror=uninitialized]
cc1: all warnings being treated as errors
make[3]: *** [bamfdaemon-bamf-matcher.o] Error 1
make[3]: Leaving directory `/tmp/portage/x11-libs/bamf-9999/work/bamf-9999_build/src'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/tmp/portage/x11-libs/bamf-9999/work/bamf-9999_build/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/portage/x11-libs/bamf-9999/work/bamf-9999_build'
make: *** [all] Error 2