wxFrame::SetIcon()

it's possible now to call Close() after ShowModal()
  dialog sample works
  changed wxString::First() etc to return -1


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@382 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/bitmap.h

@@ -31,6 +31,7 @@ class wxMemoryDC;
 class wxToolBar;
 class wxBitmapButton;
 class wxStaticBitmap;
+class wxFrame;
 
 class wxMask;
 class wxBitmap;
@@ -59,6 +60,7 @@ class wxMask: public wxObject
     friend wxToolBar;
     friend wxBitmapButton;
     friend wxStaticBitmap;
+    friend wxFrame;
 
     GdkBitmap *GetBitmap() const;
 
@@ -119,6 +121,7 @@ class wxBitmap: public wxObject
     friend wxToolBar;
     friend wxBitmapButton;
     friend wxStaticBitmap;
+    friend wxFrame;
 
     GdkPixmap *GetPixmap() const;
     GdkBitmap *GetBitmap() const;