po: syntax warning fix

Signed-off-by: intrigeri <intrigeri@boum.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 2f6c89b4d..9dc4061ef 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -115,9 +115,9 @@ sub checkconfig () { #{{{
 	    ! defined $config{po_link_to}) {
 		$config{po_link_to}='default';
 	}
-	elsif ($config{po_link_to} != 'default'
-	    && $config{po_link_to} != 'current'
-	    && $config{po_link_to} != 'negotiated') {
+	elsif (! grep {
+			$config{po_link_to} eq $_
+		} ('default', 'current', 'negotiated')) {
 		warn(sprintf(gettext('po_link_to=%s is not a valid setting, falling back to po_link_to=default'),
 				$config{po_link_to}));
 		$config{po_link_to}='default';