[Bleeding] Made ItemStack constructors not default to an amount of 0. Fixes BUKKIT-610

src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java

@@ -30,11 +30,11 @@ public class CraftItemStack extends ItemStack {
 
     /* 'Overwritten' constructors from ItemStack, yay for Java sucking */
     public CraftItemStack(final int type) {
-        this(type, 0);
+        this(type, 1);
     }
 
     public CraftItemStack(final Material type) {
-        this(type, 0);
+        this(type, 1);
     }
 
     public CraftItemStack(final int type, final int amount) {