Grow: make sure 'info' doesn't have confusing data.

We now test ->reshape_active, but don't set it in a common case.

So just zero out the whole structure to be on the safe side.

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

Grow.c

@@ -1508,6 +1508,7 @@ int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
 		ping_monitor(container);
 	}
 
+	memset(&info, 0, sizeof(info));
 	info.array = array;
 	sysfs_init(&info, fd, NoMdDev);
 	strcpy(info.text_version, sra->text_version);