fixed indexer endpoint.

NzbDrone.Api/Indexers/IndexerModule.cs

@@ -5,7 +5,7 @@ namespace NzbDrone.Api.Indexers
     public class IndexerModule : ProviderModuleBase<ProviderResource, IIndexer, IndexerDefinition>
     {
         public IndexerModule(IndexerFactory indexerFactory)
-            : base(indexerFactory)
+            : base(indexerFactory, "indexer")
         {
         }
     }

NzbDrone.Api/ProviderModuleBase.cs

@@ -19,7 +19,8 @@ namespace NzbDrone.Api
     {
         private readonly IProviderFactory<TProvider, TProviderDefinition> _providerFactory;
 
-        protected ProviderModuleBase(IProviderFactory<TProvider, TProviderDefinition> providerFactory)
+        protected ProviderModuleBase(IProviderFactory<TProvider, TProviderDefinition> providerFactory, string resource)
+            : base(resource)
         {
             _providerFactory = providerFactory;
             Get["templates"] = x => GetTemplates();