misc gcc compilation warnings

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18245 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/listbox.cpp

@@ -224,7 +224,6 @@ bool wxListBox::Create(wxWindow *parent, wxWindowID id,
     Str255 fontName ;
     SInt16 fontSize ;
     Style fontStyle ;
-	SInt16 fontNum ;
 #if TARGET_CARBON
 	GetThemeFont(kThemeViewsFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 #else
@@ -650,7 +649,6 @@ wxSize wxListBox::DoGetBestSize() const
 
 	{
 		wxMacPortStateHelper st( UMAGetWindowPort( (WindowRef) MacGetRootWindow() ) ) ; 
- 		Rect drawRect ;
 
 		wxFontRefData * font = (wxFontRefData*) m_font.GetRefData() ;