Fixed up an uninitialised value being used warning which only occurs when building the library version of cmgui-wx. Tracker item 1883, https://tracker.physiomeproject.org/show_bug.cgi?id=1883
Fixed up an uninitialised value being used warning which only occurs when building the library version of cmgui-wx. Tracker item 1883, https://tracker.physiomeproject.org/show_bug.cgi?id=1883

cmiss/cmgui,cmiss/cmgui