Fix Mac build, patch #1091 by Humberto Diogenes.
diff --git a/Mac/Tools/fixapplepython23.py b/Mac/Tools/fixapplepython23.py
index 01a09b5..b0916e8 100644
--- a/Mac/Tools/fixapplepython23.py
+++ b/Mac/Tools/fixapplepython23.py
@@ -80,11 +80,11 @@
     """Create a wrapper script for a compiler"""
     dirname = os.path.split(filename)[0]
     if not os.access(dirname, os.X_OK):
-        os.mkdir(dirname, 0755)
+        os.mkdir(dirname, 0o755)
     fp = open(filename, 'w')
     fp.write(SCRIPT % compiler)
     fp.close()
-    os.chmod(filename, 0755)
+    os.chmod(filename, 0o755)
     print('fixapplepython23: Created', filename)
 
 def main():