Update CraftBukkit to Minecraft 1.4(.2).

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

@@ -0,0 +1,45 @@
+package net.minecraft.server;
+
+import org.bukkit.craftbukkit.block.CraftBlockState; // CraftBukkit
+
+public class ItemSeedFood extends ItemFood {
+
+    private int b;
+    private int c;
+
+    public ItemSeedFood(int i, int j, float f, int k, int l) {
+        super(i, j, f, false);
+        this.b = k;
+        this.c = l;
+    }
+
+    public boolean interactWith(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l, float f, float f1, float f2) {
+        if (l != 1) {
+            return false;
+        } else if (entityhuman.a(i, j, k, l, itemstack) && entityhuman.a(i, j + 1, k, l, itemstack)) {
+            int i1 = world.getTypeId(i, j, k);
+
+            if (i1 == this.c && world.isEmpty(i, j + 1, k)) {
+                CraftBlockState blockState = CraftBlockState.getBlockState(world, i, j + 1, k); // CraftBukkit
+
+                world.setTypeId(i, j + 1, k, this.b);
+
+                // CraftBukkit start - seeds
+                org.bukkit.event.block.BlockPlaceEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPlaceEvent(world, entityhuman, blockState, i, j, k);
+
+                if (event.isCancelled() || !event.canBuild()) {
+                    event.getBlockPlaced().setTypeId(0);
+                    return false;
+                }
+                // CraftBukkit end
+
+                --itemstack.count;
+                return true;
+            } else {
+                return false;
+            }
+        } else {
+            return false;
+        }
+    }
+}