Merge branch 'stable-4.9'

* stable-4.9:
  Make PackInserter public

Change-Id: I367c6111661f3005419e2becd695e04e65202f97

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackInserter.java

@@ -99,7 +99,7 @@ import org.eclipse.jgit.util.sha1.SHA1;
  * Object inserter that inserts one pack per call to {@link #flush()}, and never
  * inserts loose objects.
  */
-class PackInserter extends ObjectInserter {
+public class PackInserter extends ObjectInserter {
 	/** Always produce version 2 indexes, to get CRC data. */
 	private static final int INDEX_VERSION = 2;