Fix exception catching for py2.4

bin/ansible

@@ -175,7 +175,7 @@ if __name__ == '__main__':
     (options, args) = cli.parse()
     try:
         (runner, results) = cli.run(options, args)
-    except errors.AnsibleError as e:
+    except errors.AnsibleError, e:
         # Generic handler for ansible specific errors
         print "ERROR: %s" % str(e)
         sys.exit(1)