From a60e6161e79df9a9a6a0244e4d01009fac02f09f Mon Sep 17 00:00:00 2001
From: Kohei Yoshino <kohei.yoshino@gmail.com>
Date: Wed, 20 Mar 2019 10:46:11 -0400
Subject: [PATCH] Bug 1513956 - The summary in the history contains additional
 white spaces

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

diff --git a/Bugzilla/Bug.pm b/Bugzilla/Bug.pm
index 33ba6f6e8..b76aa7edb 100644
--- a/Bugzilla/Bug.pm
+++ b/Bugzilla/Bug.pm
@@ -4638,7 +4638,7 @@ sub _join_activity_entries {
     return $current_change . $new_change;
   }
   else {
-    return $current_change . ' ' . $new_change;
+    return $current_change . ($current_change && $new_change ? ' ' : '') . $new_change;
   }
 }
 
-- 
2.47.3