Comment 6 for bug 1686173

When I open picture and try to select area, I'm getting the same error:

maxim@maxim-laptop:~$ pinta
*** Error in `/usr/bin/mono': free(): invalid pointer: 0x00007fae1c0012a0 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x7908b)[0x7fae5383908b]
/lib/x86_64-linux-gnu/libc.so.6(+0x82c3a)[0x7fae53842c3a]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7fae53846d2c]
[0x40dc6c50]
======= Memory map: ========
4080c000-4081c000 rwxp 00000000 00:00 0
40c83000-40dc7000 rwxp 00000000 00:00 0
..