Description of problem:
A GTK assertion fails after trying to change the name of a Note to one that
already exists.

Version-Release number of selected component (if applicable):
tomboy-0.3.9-3.fc6
mono-core-1.1.16.1-2.fc6
mono-web-1.1.16.1-2.fc6
mono-data-1.1.16.1-2.fc6
mono-data-sqlite-1.1.16.1-2.fc6

How reproducible:
Always

Steps to Reproduce:
1. Open an existing note
2. Attempt to change the name to one that already exists
3. 'Note title taken' messgae appears. Click OK.
4. Click on the note.
3. Boom.
  
Actual results:
Gtk-ERROR **: file gtktextview.c: line 5670
(gtk_text_view_start_selection_drag): assertion failed:
(text_view->selection_drag_handler == 0)
aborting...
=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================
Stacktrace:
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0x00004>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0xffffffff>
  at Gtk.Application.Run () <0x00007>
  at Gnome.Program.Run () <0x00007>
  at Tomboy.Tomboy.StartTrayIcon () <0x0004a>
  at Tomboy.Tomboy.Main (string[]) <0x00126>
  at (wrapper runtime-invoke) System.Object.runtime_invoke_void_string[]
(object,intptr,intptr,intptr) <0xffffffff>
Native stacktrace:
        mono(mono_handle_native_sigsegv+0xe6) [0x814bd06]
        [0xb7f7c440]
        [0xb7f7c402]
        /lib/libc.so.6(gsignal+0x50) [0x1cb050]
        /lib/libc.so.6(abort+0x101) [0x1cc8a1]
        /lib/libglib-2.0.so.0(g_logv+0x4d2) [0x134cc2]
        /lib/libglib-2.0.so.0(g_log+0x29) [0x134cf9]
        /lib/libglib-2.0.so.0(g_assert_warning+0x76) [0x134d76]
        /usr/lib/libgtk-x11-2.0.so.0 [0x11b094b]
        /usr/lib/libgtk-x11-2.0.so.0 [0x11b0c4f]
        /usr/lib/libgtk-x11-2.0.so.0 [0x10f0db0]
        /lib/libgobject-2.0.so.0 [0x4376f9]
        /lib/libgobject-2.0.so.0(g_closure_invoke+0x12b) [0x438f0b]
        /lib/libgobject-2.0.so.0 [0x44a3b3]
        /lib/libgobject-2.0.so.0(g_signal_emit_valist+0x667) [0x44b027]
        /lib/libgobject-2.0.so.0(g_signal_emit+0x29) [0x44b419]
        /usr/lib/libgtk-x11-2.0.so.0 [0x1204448]
        /usr/lib/libgtk-x11-2.0.so.0(gtk_propagate_event+0x183) [0x10ea253]
        /usr/lib/libgtk-x11-2.0.so.0(gtk_main_do_event+0x317) [0x10eb457]
        /usr/lib/libgdk-x11-2.0.so.0 [0xeef1aa]
        /lib/libglib-2.0.so.0(g_main_context_dispatch+0x182) [0x12c372]
        /lib/libglib-2.0.so.0 [0x12f34f]
        /lib/libglib-2.0.so.0(g_main_loop_run+0x1a9) [0x12f6f9]
        /usr/lib/libgtk-x11-2.0.so.0(gtk_main+0xb4) [0x10eb8d4]
        [0xbb1be9]
        [0xbb1ba8]
        [0xbb1b88]
        [0xbad57b]
        [0x684a77]
        [0x6847c3]
        mono(mono_runtime_exec_main+0x62) [0x80e39a2]
        mono(mono_runtime_run_main+0x1b9) [0x80e3c89]
        mono(mono_main+0xe5e) [0x805d13e]
        mono [0x805bdd2]
        /lib/libc.so.6(__libc_start_main+0xdc) [0x1b823c]
        mono [0x805bd21]
Aborted