fix enum

Author: jeffszuhay

Chapter16/carddeck_1a.c

@@ -22,11 +22,13 @@
   // of literals; when you need to change these, they are applied
   // everywhere.
   //
-const int  kCardsInDeck = 52;  // For now, 52 cards in a deck. This will change
-                               // depending upon the card game and the # of wild
-                               // cards, etc.
-const int  kCardsInSuit = 13;  // For now, kCardsInDeck / 4. This will change
-                               // depending upon the card game.
+enum {
+  kCardsInDeck = 52,  // For now, 52 cards in a deck. This will change
+                      // depending upon the card game and the # of wild
+                      // cards, etc.
+  kCardsInSuit = 13   // For now, kCardsInDeck / 4. This will change
+                      // depending upon the card game.
+};
 
 const bool kWildCard    = true;
 const bool kNotWildCard = false;