Use NS_ENUM for PTKCardType.

SlaunchaMan · SlaunchaMan · commit dec910cb74fd · 2015-08-21T23:34:53.000-04:00
This makes it usable as a Swift enum.
diff --git a/PaymentKit/PTKCardType.h b/PaymentKit/PTKCardType.h
@@ -9,14 +9,14 @@
 #ifndef PTKCardType_h
 #define PTKCardType_h
 
-typedef enum {
+typedef NS_ENUM(NSInteger, PTKCardType) {
     PTKCardTypeVisa,
     PTKCardTypeMasterCard,
     PTKCardTypeAmex,
     PTKCardTypeDiscover,
     PTKCardTypeJCB,
     PTKCardTypeDinersClub,
     PTKCardTypeUnknown
-} PTKCardType;
+};
 
 #endif
