OGL fixes; documentation fixes; dialog editor updates

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@447 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/ogl/src/constrnt.h

@@ -35,7 +35,7 @@ public:
 
 };
 
-extern wxList OGLConstraintTypes;
+extern wxList* OGLConstraintTypes;
 
 #define gyCONSTRAINT_CENTRED_VERTICALLY   1
 #define gyCONSTRAINT_CENTRED_HORIZONTALLY 2
@@ -81,6 +81,7 @@ class OGLConstraint: public wxObject
 };
 
 void OGLInitializeConstraintTypes();
+void OGLCleanUpConstraintTypes();
 
 #endif
  // _OGL_CONSTRNT_H_