correct accidental logic reversal

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6616 65c4cc65-6c06-0410-ace0-fbb531ad65f3

logger.c

@@ -895,7 +895,7 @@ void ast_verbose(const char *fmt, ...)
 	ast_log(LOG_VERBOSE, "%s", stuff);
 
 	if (len) {
-		if (complete)
+		if (!complete)
 			replacelast = 1;
 		else 
 			replacelast = len = 0;