Fixed Pumpkins being reported as AIR in BlockPlace event when building snowmen. Fixes BUKKIT-697

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

@@ -35,6 +35,7 @@ public class BlockPumpkin extends Block {
 
     public void onPlace(World world, int i, int j, int k) {
         super.onPlace(world, i, j, k);
+        if (world.suppressPhysics) return; // CraftBukkit
         if (world.getTypeId(i, j - 1, k) == Block.SNOW_BLOCK.id && world.getTypeId(i, j - 2, k) == Block.SNOW_BLOCK.id) {
             if (!world.isStatic && world.getServer().getServer().spawnAnimals) { // CraftBukkit - make snowmen obey spawning rules
                 world.setTypeId(i, j, k, 0);