Bug#1019970: gimp: Typing on a text box layer, a segfault occurs

[Bernhard Übelacker]

> #6  0x00007f289e850af0 in <signal handler called> () at /lib/x86_64-linux-gnu/libc.so.6
> #7  0x00007f289ec56103 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
> #8  0x00007f289ec4c6d8 in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
> #9  0x00007f289ec4cf5a in  () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
> #10 0x00007f289ec4e3f4 in g_object_new_with_properties () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
> #11 0x00005588e981caf6 in gimp_image_undo_push ()
> #12 0x00005588e981fa3c in gimp_image_undo_push_text_layer ()
> #13 0x00005588e955a697 in gimp_text_tool_apply ()


Frames below signal handler are looking similar to #1018105.