Fix missing newlines in iptables-save/restore output (Pavol Rusnak <prusnak@suse.cz>)

Bugzilla #568
diff --git a/ip6tables-restore.c b/ip6tables-restore.c
index df2e7d5..25c6ebd 100644
--- a/ip6tables-restore.c
+++ b/ip6tables-restore.c
@@ -154,13 +154,13 @@
 	if (optind == argc - 1) {
 		in = fopen(argv[optind], "r");
 		if (!in) {
-			fprintf(stderr, "Can't open %s: %s", argv[optind],
+			fprintf(stderr, "Can't open %s: %s\n", argv[optind],
 				strerror(errno));
 			exit(1);
 		}
 	}
 	else if (optind < argc) {
-		fprintf(stderr, "Unknown arguments found on commandline");
+		fprintf(stderr, "Unknown arguments found on commandline\n");
 		exit(1);
 	}
 	else in = stdin;
diff --git a/ip6tables-save.c b/ip6tables-save.c
index 486c522..479a92b 100644
--- a/ip6tables-save.c
+++ b/ip6tables-save.c
@@ -351,7 +351,7 @@
 	}
 
 	if (optind < argc) {
-		fprintf(stderr, "Unknown arguments found on commandline");
+		fprintf(stderr, "Unknown arguments found on commandline\n");
 		exit(1);
 	}
 
diff --git a/iptables-restore.c b/iptables-restore.c
index 9b8563a..61631ae 100644
--- a/iptables-restore.c
+++ b/iptables-restore.c
@@ -157,13 +157,13 @@
 	if (optind == argc - 1) {
 		in = fopen(argv[optind], "r");
 		if (!in) {
-			fprintf(stderr, "Can't open %s: %s", argv[optind],
+			fprintf(stderr, "Can't open %s: %s\n", argv[optind],
 				strerror(errno));
 			exit(1);
 		}
 	}
 	else if (optind < argc) {
-		fprintf(stderr, "Unknown arguments found on commandline");
+		fprintf(stderr, "Unknown arguments found on commandline\n");
 		exit(1);
 	}
 	else in = stdin;
diff --git a/iptables-save.c b/iptables-save.c
index ee18918..a8a17aa 100644
--- a/iptables-save.c
+++ b/iptables-save.c
@@ -368,7 +368,7 @@
 	}
 
 	if (optind < argc) {
-		fprintf(stderr, "Unknown arguments found on commandline");
+		fprintf(stderr, "Unknown arguments found on commandline\n");
 		exit(1);
 	}