Comment 2 for bug 1286354

StacktraceTop:
 _int_free (av=0x7f9bf9fe8760 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:3987
 reset_object (obj=0x18bc390) at /build/buildd/cairo-dock-3.3.99.beta1.1~20140219~bzr1717/src/gldit/cairo-dock-dock-manager.c:2062
 gldi_object_unref (pObject=0x18bc390) at /build/buildd/cairo-dock-3.3.99.beta1.1~20140219~bzr1717/src/gldit/cairo-dock-object.c:85
 _free_one_dock (cDockName=<optimized out>, pDock=0x18bc390, data=<optimized out>) at /build/buildd/cairo-dock-3.3.99.beta1.1~20140219~bzr1717/src/gldit/cairo-dock-dock-manager.c:123
 g_hash_table_foreach_remove_or_steal (hash_table=0x1510060, func=func@entry=0x7f9bfa0307d0 <_free_one_dock>, user_data=user_data@entry=0x0, notify=notify@entry=1) at /build/buildd/glib2.0-2.39.90/./glib/ghash.c:1425