bufgix: with newer version of wxWidgets (2.8), image slice dialog was crashing because events were being sent before the initialization was complete.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1520 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/image_slice_window.hpp

@@ -78,6 +78,7 @@ class ImageSliceWindow : public wxDialog {
 	wxSizer*             zoom_sizer, *zoom_fixed, *zoom_free;
 	wxCheckBox*          sharpen;
 	wxSlider*            sharpen_amount;
+	bool                 initialized; // is the gui initialized?
 	
 	// --------------------------------------------------- : Events
 	DECLARE_EVENT_TABLE();