Fix missing braces introduced during commit cea218054ad277d6c126890213afde07b4eb1602. Though setting wbrc to 0
keeps this from causing real bug, this should have been there.
Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>