- Fixed a protocol requirement in JTAppleCalendarLayoutProtocol to it…

…s updated signature. This fixes a compile-time error such as the one referenced in issue #501

Sources/JTAppleCalendarLayoutProtocol.swift

@@ -28,7 +28,7 @@ protocol JTAppleCalendarLayoutProtocol: class {
     var minimumLineSpacing: CGFloat {get set}
     var sectionInset: UIEdgeInsets {get set}
     var scrollDirection: UICollectionViewScrollDirection {get set}
-    func targetContentOffsetForProposedContentOffset(_ proposedContentOffset: CGPoint) -> CGPoint
+    func targetContentOffset(forProposedContentOffset proposedContentOffset: CGPoint) -> CGPoint
     func layoutAttributesForSupplementaryView(ofKind elementKind: String, at indexPath: IndexPath) -> UICollectionViewLayoutAttributes?
 }