applied fix to MkDir for mac

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19408 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/filename.cpp

@@ -776,7 +776,14 @@ bool wxFileName::Mkdir( const wxString& dir, int perm, int flags )
         size_t count = dirs.GetCount();
         for ( size_t i = 0; i < count; i++ )
         {
-            if ( i > 0 || filename.IsAbsolute() )
+            if ( i > 0 || 
+#if defined(__WXMAC__) && !defined(__DARWIN__)
+			// relative pathnames are exactely the other way round under mac...
+            	!filename.IsAbsolute() 
+#else
+            	filename.IsAbsolute() 
+#endif
+            )
                 currPath += wxFILE_SEP_PATH;
             currPath += dirs[i];