Use path instead of resourceSpecifier so it unescapes.

Reviewed By: @nicklockwood

Differential Revision: D2526217

fb-gh-sync-id: c48af71402927b0aa4e9942e1825068af5334ab9

React/Base/RCTJavaScriptLoader.m

@@ -33,7 +33,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)init)
 
   // Load local script file
   if (scriptURL.fileURL) {
-    NSString *filePath = scriptURL.resourceSpecifier;
+    NSString *filePath = scriptURL.path;
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
       NSError *error = nil;
       NSString *rawText = [NSString stringWithContentsOfFile:filePath usedEncoding:NULL error:&error];