Fix NPE when there are two repositories which only differ in case

Sascha Vogt

2014-06-18 396e9bb50d7eca0d96da2c5fc5177a22f78d30b7

 src/main/java/com/gitblit/manager/PluginManager.java

@@ -377,7 +377,7 @@
      List<PluginRegistration> list = getRegisteredPlugins();
      Iterator<PluginRegistration> itr = list.iterator();
      while (itr.hasNext()) {
         if (state != itr.next().getInstallState()) {
         if (state != itr.next().getInstallState(getSystemVersion())) {
            itr.remove();
         }
      }