Added Mac Classic fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18243 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/filesys.cpp

@@ -441,6 +441,11 @@ wxFileName wxFileSystem::URLToFileName(const wxString& url)
 	{
 		path = path.Mid(5);
 	}
+	// Remove preceding double slash on Mac Classic
+#if defined(__WXMAC__) && !defined(__UNIX__)
+    else if ( path.Find(wxT("//")) == 0 )
+        path = path.Mid(2);
+#endif
     
     path.Replace(wxT("%25"), wxT("%"));
     path.Replace(wxT("%3A"), wxT(":"));
@@ -482,6 +487,10 @@ wxString wxFileSystem::FileNameToURL(const wxFileName& filename)
     else
     {
         url = wxT("/") + url;
+#ifdef __WXMAC__
+        url = wxT("/") + url;
+#endif
+
     }
 #endif