Fix sendReport on JOYMultiplayerControlle

JoyKit/JOYMultiplayerController.m

@@ -4,6 +4,7 @@
 - (instancetype)initWithDevice:(IOHIDDeviceRef)device reportIDFilter:(NSArray <NSNumber *> *) filter serialSuffix:(NSString *)suffix;
 - (void)elementChanged:(IOHIDElementRef) element toValue:(IOHIDValueRef) value;
 - (void)disconnected;
+- (void)sendReport:(NSData *)report;
 @end
 
 @implementation JOYMultiplayerController
@@ -41,4 +42,9 @@
     }
 }
 
+- (void)sendReport:(NSData *)report
+{
+    [[_children firstObject] sendReport:report];
+}
+
 @end