www: force two element key-value pairs in query

Oops, this quiets down a warning seen in logs.

diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index e211cd6d5fcf45091b94b9b75fad8c9d963642bf..d26b69c00050879d3fb41949669c310c4417b510 100644 (file)
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -45,7 +45,8 @@ sub call {
 
        # we don't care about multi-value
        my %qp = map {
-               (split('=', $_, 2))
+               my ($k, $v) = split('=', $_, 2);
+               ($k, $v)
        } split(/[&;]/, uri_unescape($env->{QUERY_STRING}));
        $ctx->{qp} = \%qp;