added wxIconLocation; minor fixes to wxIcon on some platforms

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21279 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/motif/icon.cpp

@@ -42,13 +42,6 @@ wxIcon::wxIcon(const char **data)
     (void) Create((void*) data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
 }
 
-wxIcon::wxIcon(const wxString& icon_file, wxBitmapType type,
-               int desiredWidth, int desiredHeight)
-               
-{
-    LoadFile(icon_file, type, desiredWidth, desiredHeight);
-}
-
 void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
 {
     wxIcon *icon = (wxIcon*)(&bmp);