Change trylock output for what already has the lock from an error to a warning.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@50034 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/lock.h

@@ -306,7 +306,7 @@ static inline int __ast_pthread_mutex_trylock(const char *filename, int lineno,
 					   filename, lineno, func, mutex_name);
 		}
 	} else {
-		__ast_mutex_logger("%s line %d (%s): Error: '%s' was locked here.\n",
+		__ast_mutex_logger("%s line %d (%s): Warning: '%s' was locked here.\n",
                                    t->file[t->reentrancy-1], t->lineno[t->reentrancy-1], t->func[t->reentrancy-1], mutex_name);
 	}