Crash when editing nickname

[Henrik Brautaset Aronsen]

1) Open the nickname list (must have 2 or more entries)
2) Delete one of the entries (The list window closes?!)
3) Re-open the nickname list
4) Edit a nickname and press Apply

*BOOM*

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   subsurface                        0x0000000103adb303 
edit_dc_nicknames + 2227 (gtk-gui.c:1274)
1   libgobject-2.0.0.dylib            0x000000010474ebc4 
g_closure_invoke + 308
2   libgobject-2.0.0.dylib            0x000000010475e5f9 
signal_emit_unlocked_R + 1641
3   libgobject-2.0.0.dylib            0x000000010475f6fc 
g_signal_emit_valist + 2924
4   libgobject-2.0.0.dylib            0x000000010475fd24 g_signal_emit + 116
5   libgtk-quartz-2.0.0.dylib         0x0000000103df7d8a 
_gtk_action_emit_activate + 90
6   libgobject-2.0.0.dylib            0x000000010474ea35 
_g_closure_invoke_va + 309
7   libgobject-2.0.0.dylib            0x000000010475f0d8 
g_signal_emit_valist + 1352
8   libgobject-2.0.0.dylib            0x000000010475fd24 g_signal_emit + 116
9   libgobject-2.0.0.dylib            0x000000010474ebc4 
g_closure_invoke + 308
10  libgtkmacintegration.2.dylib      0x0000000104942b7f 
idle_call_activate + 79
11  libgdk-quartz-2.0.0.dylib         0x000000010425d1c5 
gdk_threads_dispatch + 53
12  libglib-2.0.0.dylib               0x00000001047d08f8 
g_main_context_dispatch + 328
13  libglib-2.0.0.dylib               0x00000001047d2a0e 
g_main_context_iterate + 510
14  libglib-2.0.0.dylib               0x00000001047d3faf g_main_loop_run 
+ 287
15  libgtk-quartz-2.0.0.dylib         0x0000000103eb955f gtk_main + 191
16  subsurface                        0x0000000103adc259 run_ui + 9 
(gtk-gui.c:1604)
17  subsurface                        0x0000000103a99bd1 main + 497 
(main.c:359)
18  libdyld.dylib                     0x00007fff8afd37e1 start + 1

H