General tidy-up (mainly typecasts) to allow the use of the SGI native

compilers (tested on Irix 6.5 with -mips3 -n32).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@623 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/region.cpp

@@ -33,7 +33,7 @@ class wxRegionRefData: public wxObjectRefData
 
 wxRegionRefData::wxRegionRefData(void)
 {
-  m_region = NULL;
+  m_region = (GdkRegion *) NULL;
 }
 
 wxRegionRefData::~wxRegionRefData(void)