Bug 450416

Description of problem:
Moving media icon on nautilus Desktop -> *** glibc detected *** nautilus:
munmap_chunk(): invalid pointer: 0x0a47b860 ***
$ cat ~/.xsession-errors
[skip]
*** glibc detected *** nautilus: munmap_chunk(): invalid pointer: 0x0a47b860 ***
======= Backtrace: =========
/lib/libc.so.6[0x1fbd1a4]
/lib/libglib-2.0.so.0(g_free+0x36)[0xd4f096]
nautilus[0x80faa65]
nautilus[0x8129544]
/usr/lib/libgtk-x11-2.0.so.0[0x77e115]
/lib/libgobject-2.0.so.0(g_closure_invoke+0x1ab)[0xcd315b]
/lib/libgobject-2.0.so.0[0xce9867]
/lib/libgobject-2.0.so.0(g_signal_emit_valist+0x69c)[0xceadbc]
/lib/libgobject-2.0.so.0(g_signal_emit_by_name+0x1a3)[0xceb253]
/usr/lib/libgtk-x11-2.0.so.0[0x90f98f]
/usr/lib/libgtk-x11-2.0.so.0[0x90ef8d]
/usr/lib/libgtk-x11-2.0.so.0[0x90eed7]
/usr/lib/libgtk-x11-2.0.so.0[0x90eed7]
/usr/lib/libgtk-x11-2.0.so.0[0x90eed7]
/usr/lib/libgtk-x11-2.0.so.0[0x90eed7]
/usr/lib/libgtk-x11-2.0.so.0[0x90eed7]
/usr/lib/libgtk-x11-2.0.so.0[0x90e4a4]
/usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x499)[0x77a677]
/usr/lib/libgdk-x11-2.0.so.0[0xac9774]
/lib/libglib-2.0.so.0(g_main_context_dispatch+0x1e8)[0xd46f38]
/lib/libglib-2.0.so.0[0xd4a49b]
/lib/libglib-2.0.so.0(g_main_loop_run+0x1ca)[0xd4a96a]
/usr/lib/libgtk-x11-2.0.so.0(gtk_main+0xe0)[0x779be0]
nautilus[0x807ca85]
/lib/libc.so.6(__libc_start_main+0xe6)[0x1f645d6]
nautilus[0x8066f91]
======= Memory map: ========
00110000-00130000 r-xp 00000000 08:09 7159788    /lib/ld-2.8.90.so
00130000-00131000 r--p 00020000 08:09 7159788    /lib/ld-2.8.90.so
00131000-00132000 rw-p 00021000 08:09 7159788    /lib/ld-2.8.90.so
00132000-00133000 r-xp 00132000 00:00 0          [vdso]
[...]

Version-Release number of selected component (if applicable):
2.23.3-1.fc10

How reproducible:
always

Steps to Reproduce:
1. Movie media icon on nautilus Desktop 
2.
3.
  
Actual results:


Expected results:


Additional info: