Fix unchecked conversion warning in MergeFormatter

Change-Id: Id57ef8b2e80736652e4c5062364efa3ccd39c4c7
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/merge/MergeFormatter.java

@@ -102,7 +102,7 @@ public class MergeFormatter {
 	 *            metadata
 	 * @throws IOException
 	 */
-	public void formatMerge(OutputStream out, MergeResult res, String baseName,
+	public void formatMerge(OutputStream out, MergeResult<RawText> res, String baseName,
 			String oursName, String theirsName, String charsetName) throws IOException {
 		List<String> names = new ArrayList<String>(3);
 		names.add(baseName);