Fix incorrect method names missed during update. Fixes BUKKIT-2653

A couple method names were changed between 1.3.2 and 1.4.2 but were missed
in the update. One of these affects being able to enchant bows and the
other is used for updating player animations while firing.

src/main/java/net/minecraft/server/ItemBow.java

@@ -78,7 +78,7 @@ public class ItemBow extends Item {
         return 72000;
     }
 
-    public EnumAnimation b(ItemStack itemstack) {
+    public EnumAnimation d_(ItemStack itemstack) {
         return EnumAnimation.e;
     }
 
@@ -90,7 +90,7 @@ public class ItemBow extends Item {
         return itemstack;
     }
 
-    public int b() {
+    public int c() {
         return 1;
     }
 }