From 7621e45539668c56a8f7b83a46a05a9e5aca79b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorsten=20Sch=C3=B6ning?= <tschoening@am-soft.de>
Date: Wed, 9 Mar 2016 23:22:17 +0100
Subject: Bug 1250908: "Use of uninitialized value" warning thrown when
 creating a new bug depending or blocking another one r=LpSolit a=dkl

---
 Bugzilla/BugMail.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Bugzilla/BugMail.pm b/Bugzilla/BugMail.pm
index d4a1597ab..110a1ffaf 100644
--- a/Bugzilla/BugMail.pm
+++ b/Bugzilla/BugMail.pm
@@ -169,8 +169,8 @@ sub Send {
         }
 
         if ($change->{field_name} eq 'dependson' || $change->{field_name} eq 'blocked') {
-            push @referenced_bug_ids, split(/[\s,]+/, $change->{old});
-            push @referenced_bug_ids, split(/[\s,]+/, $change->{new});
+            push @referenced_bug_ids, split(/[\s,]+/, $change->{old} // '');
+            push @referenced_bug_ids, split(/[\s,]+/, $change->{new} // '');
         }
     }
 
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