Fix certain mobs crashing the server from MobSpawners

Spigot-Server-Patches/Fix-certain-mobs-crashing-the-server-from-MobSpawner.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Zach Brown <1254957+zachbr@users.noreply.github.com>
+Date: Sun, 18 Jan 2015 12:42:51 -0600
+Subject: [PATCH] Fix certain mobs crashing the server from MobSpawners
+
+
+diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
++++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+@@ -0,0 +0,0 @@ public abstract class MobSpawnerAbstract {
+ 
+                 entity1 = entity2;
+             }
+-        } else if (entity instanceof EntityLiving && entity.world != null && flag) {
++        } else if (entity instanceof EntityInsentient && entity.world != null && flag) { // PaperSpigot - EntityLiving -> EntityInsentient
+             ((EntityInsentient) entity).prepare(entity.world.E(new BlockPosition(entity)), (GroupDataEntity) null);
+             // Spigot start - call SpawnerSpawnEvent, abort if cancelled
+             SpawnerSpawnEvent event = CraftEventFactory.callSpawnerSpawnEvent(entity, this.b().getX(), this.b().getY(), this.b().getZ());
+--