mdmon: fix arg parsing.

-t aka --takeover should not be setting container_name.
It sets it to NULL which causes failure when you try
  mdmon --all --takeover

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 0 insertions, 1 deletions

diff --git a/mdmon.c b/mdmon.c
index 20934761..dee02a9c 100644
--- a/mdmon.c
+++ b/mdmon.c
@@ -306,7 +306,6 @@ int main(int argc, char *argv[])
 			all = 1;
 			break;
 		case 't':
-			container_name = optarg;
 			takeover = 1;
 			break;
 		case OffRootOpt: