Shut up many more gcc warnings.
diff --git a/Mac/Modules/res/resedit.py b/Mac/Modules/res/resedit.py
index 1684870..fce0bd1 100644
--- a/Mac/Modules/res/resedit.py
+++ b/Mac/Modules/res/resedit.py
@@ -58,7 +58,8 @@
 # Convert resources to other things.
 
 as_xxx_body = """
-return %sObj_New((%sHandle)_self->ob_itself);
+_res = %sObj_New((%sHandle)_self->ob_itself);
+return _res;
 """
 
 def genresconverter(longname, shortname):