From be3d775cdec8af249a40b1b63a87305fe6cbf7fc Mon Sep 17 00:00:00 2001
From: Byron Jones <bjones@mozilla.com>
Date: Mon, 2 Jul 2012 17:09:44 +0800
Subject: Bug 770104: "Use of uninitialized value in pattern match" with
 missing user-agent

---
 Bugzilla/UserAgent.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Bugzilla/UserAgent.pm')

diff --git a/Bugzilla/UserAgent.pm b/Bugzilla/UserAgent.pm
index 7a5265fc3..6589930ce 100644
--- a/Bugzilla/UserAgent.pm
+++ b/Bugzilla/UserAgent.pm
@@ -184,7 +184,7 @@ sub detect_platform {
 }
 
 sub detect_op_sys {
-    my $userAgent = $ENV{'HTTP_USER_AGENT'};
+    my $userAgent = $ENV{'HTTP_USER_AGENT'} || '';
     my @detected;
     my $iterator = natatime(2, OS_MAP);
     while (my($re, $ra) = $iterator->()) {
-- 
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