Fix a typo.

2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

	* objc-act.c (check_that_protocol_is_defined): Fix a typo.

From-SVN: r168400

gcc/objc/ChangeLog

+2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* objc-act.c (check_that_protocol_is_defined): Fix a typo.
+
 2011-01-02  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	* objc-act.c (check_that_protocol_is_defined): New.

gcc/objc/objc-act.c

@@ -10944,7 +10944,7 @@ check_that_protocol_is_defined (tree protocol)
     {
       tree p;
 
-      for (p = PROTOCOL_LIST (p); p; p = TREE_CHAIN (p))
+      for (p = PROTOCOL_LIST (protocol); p; p = TREE_CHAIN (p))
 	check_that_protocol_is_defined (TREE_VALUE (p));
     }
 }