Fix FileSnapshot#saveNoConfig

We should not use configuration when creating FileSnapshot when
accessing FileBasedConfig.

Change-Id: Ic521632870f18bb004751642b9d30648dd94049a
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

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

@@ -147,7 +147,7 @@ public class FileSnapshot {
 	 * @return the snapshot.
 	 */
 	public static FileSnapshot saveNoConfig(File path) {
-		return new FileSnapshot(path);
+		return new FileSnapshot(path, false);
 	}
 
 	private static Object getFileKey(BasicFileAttributes fileAttributes) {