suppress compiler warning. A better fix would be to remove this function (since it’s not used), but I don’t know what the orignal author intends so... that’s his call.

Author: hsoi

WYPopoverController/WYPopoverController.m

@@ -2287,6 +2287,7 @@ - (CGSize)sizeForRect:(CGRect)aRect
 
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunused-variable"
+#pragma clang diagnostic ignored "-Wunused-function"
 
 static NSString* NSStringFromOrientation(NSInteger orientation) {
     NSString* result = @"Unknown";