docs: Fix a typo

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Karolin Seeger <kseeger@samba.org>

Autobuild-User(master): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(master): Thu Jun  6 11:47:22 CEST 2013 on sn-devel-104
Revert "dbwrap: dbwrap_fetch_locked_timeout()."

This reverts commit f6eb187fdab6b8088bb065e418fe604c4eba7751.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Rusty Russell <rusty@rustcorp.com.au>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Jun  6 14:26:26 CEST 2013 on sn-devel-104