[fixed] Crash with Show Develp Menu

[oort]

When I Edit > Preferences > Misc Tab > enable "Show Develop Menu" I get the crash shown below.

Thanks,
oort

Dump written 2015-9-10_11-27
Version: 2.0.1
Window: geom
Reason: {case_clause,geom}

Short stack trace:
[]

Long stack trace:
[{wings_menu_util,crossmark,1,[{file,"wings_menu_util.erl"},{line,382}]},
{wings_view,menu,0,[{file,"wings_view.erl"},{line,34}]},
{wings,init_menubar,0,[{file,"wings.erl"},{line,963}]},
{wings_pref_dlg,smart_set_value_1,3,[{file,"wings_pref_dlg.erl"},{line,654}]},
{wings_pref_dlg,set_values,2,[{file,"wings_pref_dlg.erl"},{line,47}]},
{wings_dialog,return_result,3,[{file,"wings_dialog.erl"},{line,671}]},
{wings_develop,time_command,2,[{file,"wings_develop.erl"},{line,81}]},
{wings,raw_command,4,[{file,"wings.erl"},{line,641}]}]