Fix a bug I found while testing for another issue.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@119354 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/autoservice.c

@@ -160,6 +160,7 @@ static void *autoservice_run(void *ign)
 			continue;
 		}
 
+		if (f) {
 			for (i = 0; i < x; i++) {
 				struct ast_frame *dup_f;
 				
@@ -173,8 +174,6 @@ static void *autoservice_run(void *ign)
 				
 				break;
 			}
-
-		if (f) {
 			ast_frfree(f);
 		}
 	}