LaunchpadComparer: more robust SVN changelog parsing

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1804996 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/sling/tooling/lc/LaunchpadComparer.java b/src/main/java/org/apache/sling/tooling/lc/LaunchpadComparer.java
index 43aae47..c7ab92d 100644
--- a/src/main/java/org/apache/sling/tooling/lc/LaunchpadComparer.java
+++ b/src/main/java/org/apache/sling/tooling/lc/LaunchpadComparer.java
@@ -140,6 +140,7 @@
         try {
             List<String> issues = svn.getChanges(fromTag, toTag)
                 .stream()
+                .map( m -> m.split(System.lineSeparator())[0])
                 .map(LaunchpadComparer::toJiraKey)
                 .filter( k -> k != null)
                 .collect(Collectors.toList());