Removed any X11 dependency for OSX

Author: tpaviot

src/wrapper/SWIG_generator.py

@@ -1201,7 +1201,8 @@ def OSFilterHeaders(self, HXX_FILES):
             HXX_TO_EXCLUDE.append('InterfaceGraphic_Cextern.hxx')
             HXX_TO_EXCLUDE.append('Xw_Cextern.hxx')
             HXX_TO_EXCLUDE.append('OSD_WNT_1.hxx')
-            for hxx_file in HXX_FILES:  # Under Windows, remove all X11/Xfw headers
+        if sys.platform != 'linux2':
+            for hxx_file in HXX_FILES:  # Under OSX and Windows, remove all X11/Xfw headers
                 if ('X11' in hxx_file) or ('XWD' in hxx_file):
                     HXX_TO_EXCLUDE.append(hxx_file)
         if len(HXX_FILES) == 0: