Steps to reproduce:
1. Assign some shortcut key to "Bookmark current directory".
2. Press that combination.
3. Press ESC


Stack trace:
*** glibc detected *** gnome-commander: double free or corruption (fasttop): 0x094961d0 ***
======= Backtrace: =========
/lib/i686/cmov/libc.so.6[0xb70bd1e4]
/lib/i686/cmov/libc.so.6(cfree+0x96)[0xb70bf196]
/usr/lib/libglib-2.0.so.0(g_free+0x36)[0xb734dbc6]
/usr/lib/gnome-commander/libgcmd.so.0[0xb7d64619]
/usr/lib/gnome-commander/libgcmd.so.0[0xb7d6532b]
/usr/lib/libgobject-2.0.so.0(g_cclosure_marshal_VOID__VOID+0x84)[0xb73da274]
/usr/lib/libgobject-2.0.so.0[0xb73cb2c9]
/usr/lib/libgobject-2.0.so.0(g_closure_invoke+0x1ab)[0xb73ccb6b]
/usr/lib/libgobject-2.0.so.0[0xb73e10c2]
/usr/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x7b9)[0xb73e2159]
/usr/lib/libgobject-2.0.so.0(g_signal_emit+0x26)[0xb73e25b6]
/usr/lib/libgtk-x11-2.0.so.0[0xb78cfe31]
/usr/lib/libgtk-x11-2.0.so.0[0xb79cf701]
/usr/lib/libgtk-x11-2.0.so.0[0xb79dd486]
/usr/lib/libgobject-2.0.so.0(g_object_unref+0xd8)[0xb73cec48]
/usr/lib/libgtk-x11-2.0.so.0(gtk_propagate_event+0x168)[0xb78a3a28]
/usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x2e7)[0xb78a4d57]
/usr/lib/libgdk-x11-2.0.so.0[0xb7732e5a]
/usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x1e8)[0xb7345718]
/usr/lib/libglib-2.0.so.0[0xb7348c7b]
/usr/lib/libglib-2.0.so.0(g_main_loop_run+0x1ca)[0xb734914a]
/usr/lib/libgtk-x11-2.0.so.0(gtk_main+0xb9)[0xb78a5209]
gnome-commander[0x80c477d]
/lib/i686/cmov/libc.so.6(__libc_start_main+0xe5)[0xb7064775]
gnome-commander[0x805b281]
======= Memory map: ========
08048000-08121000 r-xp 00000000 03:02 1618945    /usr/bin/gnome-commander
08121000-08127000 rw-p 000d8000 03:02 1618945    /usr/bin/gnome-commander
08127000-08129000 rw-p 08127000 00:00 0 
0923f000-094c4000 rw-p 0923f000 00:00 0          [heap]
b5600000-b5621000 rw-p b5600000 00:00 0 
b5621000-b5700000 ---p b5621000 00:00 0 
b5720000-b5780000 rw-s 00000000 00:08 3932202    /SYSV00000000 (deleted)
b5780000-b5789000 r-xp 00000000 03:02 1357260    /usr/lib/gnome-commander/plugins/libfileroller.so.0.0.0
b5789000-b578b000 rw-p 00008000 03:02 1357260    /usr/lib/gnome-commander/plugins/libfileroller.so.0.0.0
b578b000-b5795000 r-xp 00000000 03:02 1367808    /usr/lib/gnome-commander/plugins/libcvs.so.0.0.0
b5795000-b5796000 rw-p 00009000 03:02 1367808    /usr/lib/gnome-commander/plugins/libcvs.so.0.0.0
b5796000-b579d000 r--s 00000000 03:02 196241     /usr/lib/gconv/gconv-modules.cache
b579d000-b57bb000 r--s 00000000 03:02 998985     /usr/share/mime/mime.cache
b57bb000-b57c8000 r--p 00000000 03:02 359956     /usr/share/fonts/truetype/ttf-bitstream-vera/VeraMono.ttf
b57c8000-b57ca000 r-xp 00000000 03:02 49423      /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
b57ca000-b57cb000 rw-p 00001000 03:02 49423      /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
b57cb000-b57dc000 r--p 00000000 03:02 359949     /usr/share/fonts/truetype/ttf-bitstream-vera/Vera.ttf
b57dc000-b57e2000 r--s 00000000 03:02 673044     /var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-x86.cache-2
b57e2000-b57e4000 r--s 00000000 03:02 672580     /var/cache/fontconfig/99e8ed0e538f840c565b6ed5dad60d56-x86.cache-2
b57e4000-b57e5000 r--s 00000000 03:02 674547     /var/cache/fontconfig/fd9505950c048a77dc4b710eb6a628ed-x86.cache-2
b57e5000-b57e8000 r--s 00000000 03:02 674546     /var/cache/fontconfig/ddc79d3ea06a7c6ffa86ede85f3bb5df-x86.cache-2
b57e8000-b57e9000 r--s 00000000 03:02 674545     /var/cache/fontconfig/e7071f4a29fa870f4323321c154eba04-x86.cache-2
b57e9000-b57ea000 r--s 00000000 03:02 674544     /var/cache/fontconfig/a2ab74764b07279e7c36ddb1d302cf26-x86.cache-2
b57ea000-b57ee000 r--s 00000000 03:02 674543     /var/cache/fontconfig/921a30a17f0be15c70ac14043cb7a739-x86.cache-2
b57ee000-b57f0000 r--s 00000000 03:02 674542     /var/cache/fontconfig/c69f04ab05004e31a6d5e715764f16d8-x86.cache-2
b57f0000-b57f3000 r--s 00000000 03:02 674541     /var/cache/fontconfig/6eb3985aa4124903f6ff08ba781cd364-x86.cache-2
b57f3000-b57f5000 r--s 00000000 03:02 674540     /var/cache/fontconfig/646addb8444faa74ee138aa00ab0b6a0-x86.cache-2
b57f5000-b57f7000 r--s 00000000 03:02 674539     /var/cache/fontconfig/20bd79ad97094406f7d1b9654bfbd926-x86.cache-2


Other information: