Add missing break statement in kpartx

Signed-off-by: Vasant Hegde <vahegde1@linux.vnet.ibm.com>

kpartx/kpartx.c

diff --git a/kpartx/kpartx.c b/kpartx/kpartx.c
index 05dfce7..0711450 100644
--- a/kpartx/kpartx.c
+++ b/kpartx/kpartx.c
@@ -241,6 +241,7 @@
 	while ((arg = getopt(argc, argv, short_opts)) != EOF) switch(arg) {
 		case 'r':
 			ro=1;
+			break;
 		case 'f':
 			force_devmap=1;
 			break;
@@ -267,6 +268,7 @@
 			break;
 		case 's':
 			sync = 1;
+			break;
 		case 'u':
 			what = UPDATE;
 			break;