fix warnings due to use of WXDLLEXPORT on forward declarations

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48729 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/accel.cpp

@@ -33,7 +33,7 @@ WX_DEFINE_LIST(wxAccelList)
 
 class WXDLLEXPORT wxAcceleratorRefData: public wxObjectRefData
 {
-    friend class WXDLLEXPORT wxAcceleratorTable;
+    friend class wxAcceleratorTable;
 public:
     wxAcceleratorRefData();
     virtual ~wxAcceleratorRefData();

src/mac/carbon/brush.cpp

@@ -23,7 +23,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxBrush, wxGDIObject)
 
 class WXDLLEXPORT wxBrushRefData: public wxGDIRefData
 {
-    friend class WXDLLEXPORT wxBrush;
+    friend class wxBrush;
 
 public:
     wxBrushRefData();

src/mac/carbon/cursor.cpp

@@ -31,8 +31,7 @@ class WXDLLEXPORT wxCursorRefData: public wxBitmapRefData
 {
     DECLARE_NO_COPY_CLASS(wxCursorRefData)
 
-    friend class WXDLLEXPORT wxBitmap;
+    friend class wxCursor;
-    friend class WXDLLEXPORT wxCursor;
 
 public:
     wxCursorRefData();

src/mac/carbon/font.cpp

@@ -36,7 +36,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
 
 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
 {
-    friend class WXDLLEXPORT wxFont;
+    friend class wxFont;
 
 public:
     wxFontRefData()

src/mac/carbon/metafile.cpp

@@ -35,7 +35,7 @@ IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
 
 class wxMetafileRefData: public wxGDIRefData
 {
-    friend class WXDLLEXPORT wxMetafile;
+    friend class wxMetafile;
 
 public:
     wxMetafileRefData();