winbindd-irpc: Ensure not to call irpc_send_reply twice on error
As found during investigation of the previous commit, when the RPC
call fails totally, we must only try and send one error reply.
Andrew Bartlett
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Aug 1 12:11:29 CEST 2014 on sn-devel-104