Fixed: Prevent NullRef in NewznabRequestGenerator for missing definition

src/NzbDrone.Core.Test/IndexerTests/NewznabTests/NewznabRequestGeneratorFixture.cs

@@ -19,6 +19,11 @@ namespace NzbDrone.Core.Test.IndexerTests.NewznabTests
         [SetUp]
         public void SetUp()
         {
+            Subject.Definition = new IndexerDefinition
+            {
+                Name = "Newznab"
+            };
+
             Subject.Settings = new NewznabSettings()
             {
                 BaseUrl = "http://127.0.0.1:1234/",

src/NzbDrone.Core/Indexers/Definitions/Newznab/Newznab.cs

@@ -31,6 +31,7 @@ namespace NzbDrone.Core.Indexers.Newznab
         {
             return new NewznabRequestGenerator(_capabilitiesProvider)
             {
+                Definition = Definition,
                 PageSize = PageSize,
                 Settings = Settings
             };

src/NzbDrone.Core/Indexers/Definitions/Newznab/NewznabRequestGenerator.cs

@@ -13,10 +13,11 @@ namespace NzbDrone.Core.Indexers.Newznab
     public class NewznabRequestGenerator : IIndexerRequestGenerator
     {
         private readonly INewznabCapabilitiesProvider _capabilitiesProvider;
+
+        public ProviderDefinition Definition { get; set; }
         public int MaxPages { get; set; }
         public int PageSize { get; set; }
         public NewznabSettings Settings { get; set; }
-        public ProviderDefinition Definition { get; set; }
 
         public NewznabRequestGenerator(INewznabCapabilitiesProvider capabilitiesProvider)
         {

src/NzbDrone.Core/Indexers/Definitions/Torznab/Torznab.cs

@@ -31,6 +31,7 @@ namespace NzbDrone.Core.Indexers.Torznab
         {
             return new NewznabRequestGenerator(_capabilitiesProvider)
             {
+                Definition = Definition,
                 PageSize = PageSize,
                 Settings = Settings
             };