Fix issues with different languages than english when adding alternative titles.

Fixes #509

src/NzbDrone.Core/MetadataSource/SkyHook/SkyHookProxy.cs

@@ -102,6 +102,11 @@ namespace NzbDrone.Core.MetadataSource.SkyHook
 
 			var movie = new Movie();
 
+			if (langCode != "us")
+			{
+				movie.AlternativeTitles.Add(resource.original_title);
+			}
+
             foreach (var alternativeTitle in resource.alternative_titles.titles)
             {
                 if (alternativeTitle.iso_3166_1.ToLower() == langCode)