From 2784efb063c30ac8ba56e7bf3a4d91c1da749116 Mon Sep 17 00:00:00 2001
From: Jamie Cameron <jcameron@webmin.com>
Date: Mon, 3 Jul 2017 21:03:15 -0700
Subject: [PATCH] Allow empty language priority
 https://github.com/webmin/webmin/issues/608

---
 apache/mod_negotiation.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apache/mod_negotiation.pl b/apache/mod_negotiation.pl
index 6378e2f55..a1dfc0c53 100755
--- a/apache/mod_negotiation.pl
+++ b/apache/mod_negotiation.pl
@@ -45,7 +45,7 @@ return (2, "$text{'mod_negotiation_pri'}",
 sub save_LanguagePriority
 {
 local $rv = &parse_opt("LanguagePriority", '\S', $text{'mod_negotiation_epri'});
-if ($rv) {
+if ($rv && @$rv) {
 	$rv->[0] =~ s/^"(.*)"/$1/g;
 	}
 return $rv;