fix save function of tcpmss match (Michael Schwendt)
diff --git a/extensions/libipt_tcpmss.c b/extensions/libipt_tcpmss.c
index a2a9c18..2eb9797 100644
--- a/extensions/libipt_tcpmss.c
+++ b/extensions/libipt_tcpmss.c
@@ -99,9 +99,9 @@
 		printf("! ");
 
 	if (mss_min == mss_max)
-		printf("%u", mss_min);
+		printf("%u ", mss_min);
 	else
-		printf("%u:%u", mss_min, mss_max);
+		printf("%u:%u ", mss_min, mss_max);
 }
 
 /* Final check; must have specified --mss. */