Fix potential NPE when excluding last change author

James Moger

2014-10-13 70250d8ff53081eaccac24517ea96b89d27507b9

 src/main/java/com/gitblit/transport/ssh/DisabledFilesystemFactory.java

@@ -36,6 +36,11 @@
         public SshFile getFile(String file) {
            return null;
         }

         @Override
         public FileSystemView getNormalizedView() {
            return null;
         }
      };
   }
}