netfilter: ebt_ulog: fix checkentry return value
Upstream commit 8a56df0a:
Commit 19eda87 (netfilter: change return types of check functions for
Ebtables extensions) broke the ebtables ulog module by missing a return
value conversion.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>