Append merge strategy to reflog message

Change-Id: Ia0e73208b86c45a3d96698e973f6e70ec5cb7303
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/api/MergeCommand.java

@@ -210,7 +210,9 @@ public class MergeCommand extends GitCommand<MergeResult> {
 					unmergedPaths = resolveMerger.getUnmergedPaths();
 				} else
 					noProblems = merger.merge(headCommit, srcCommit);
-
+				refLogMessage.append(": Merge made by ");
+				refLogMessage.append(mergeStrategy.getName());
+				refLogMessage.append('.');
 				if (noProblems) {
 					DirCacheCheckout dco = new DirCacheCheckout(repo,
 							headCommit.getTree(), repo.lockDirCache(),