[Unity] Fix for Unity UWP/Windows Phone

spine-csharp/src/SkeletonJson.cs

@@ -53,7 +53,9 @@ namespace Spine {
 			Scale = 1;
 		}
 
-#if WINDOWS_STOREAPP
+		#if !(UNITY_5 || UNITY_4 || UNITY_WSA || UNITY_WP8 || UNITY_WP8_1)
+		#if WINDOWS_STOREAPP
+
 		private async Task<SkeletonData> ReadFile(string path) {
 			var folder = Windows.ApplicationModel.Package.Current.InstalledLocation;
 			var file = await folder.GetFileAsync(path).AsTask().ConfigureAwait(false);
@@ -67,20 +69,22 @@ namespace Spine {
 		public SkeletonData ReadSkeletonData (String path) {
 			return this.ReadFile(path).Result;
 		}
-#else
+		#else
 		public SkeletonData ReadSkeletonData (String path) {
-#if WINDOWS_PHONE
+			#if WINDOWS_PHONE
 			Stream stream = Microsoft.Xna.Framework.TitleContainer.OpenStream(path);
 			using (StreamReader reader = new StreamReader(stream)) {
-#else
+			#else
 			using (StreamReader reader = new StreamReader(path)) {
-#endif
+			#endif // WINDOWS_PHONE
 				SkeletonData skeletonData = ReadSkeletonData(reader);
 				skeletonData.name = Path.GetFileNameWithoutExtension(path);
 				return skeletonData;
 			}
 		}
-#endif
+
+		#endif // WINDOWS_STOREAPP
+		#endif // !UNITY
 
 		public SkeletonData ReadSkeletonData (TextReader reader) {
 			if (reader == null) throw new ArgumentNullException("reader cannot be null.");