Add the tag to run once mode

Previously, we did not print out the tag in -1 mode, just the value.
This has been changed so we now print both.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@4131 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtop/varnishtop.c

@@ -269,7 +269,7 @@ dump(void)
 		if (tp->count <= 1.0)
 			break;
 		len = SHMLOG_LEN(tp->rec);
-		printf("%9.2f %*.*s\n", tp->count, len, len, tp->rec + SHMLOG_DATA);
+		printf("%9.2f %s %*.*s\n", tp->count, VSL_tags[tp->rec[SHMLOG_TAG]], len, len, tp->rec + SHMLOG_DATA);
 	}
 }