dbwrap: Fix CID 1002092 Uninitialized scalar variable

We don't set saved_errno in the ret==0 case.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ira Cooper <ira@samba.org>
pthreadpool: Fix CID 710828 Sizeof not portable

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ira Cooper <ira@samba.org>
lib: Fix CID 241650 Sizeof not portable

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ira Cooper <ira@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sun May 12 17:44:55 CEST 2013 on sn-devel-104