Ignoring __MACOSX folder too

Author: Rahul Jiresal

ios/CodePush/CodePushUpdateUtils.m

@@ -20,14 +20,11 @@ + (void)addContentsOfFolderToManifest:(NSString *)folderPath
     }
 
     for (NSString *fileName in folderFiles) {
-#if TARGET_IPHONE_SIMULATOR
-        // If the user is running this in a simulator, there is a chance
-        // that the .DS_Store file will mess up the calculated hash
-        // We must skip this file.
-        if ([fileName isEqualToString:@".DS_Store"]) {
+        // We must skip the macOS generated files.
+        if ([fileName isEqualToString:@".DS_Store"] || [fileName isEqualToString:@"__MACOSX"]) {
             continue;
         }
-#endif
+
         NSString *fullFilePath = [folderPath stringByAppendingPathComponent:fileName];
         NSString *relativePath = [pathPrefix stringByAppendingPathComponent:fileName];
         BOOL isDir = NO;