Compile fixes (#2732)

Spigot-Server-Patches/Prevent-Fire-from-loading-chunks.patch

@@ -7,14 +7,14 @@ This causes the nether to spam unload/reload chunks, plus overall
 bad behavior.
 
 diff --git a/src/main/java/net/minecraft/server/BlockFire.java b/src/main/java/net/minecraft/server/BlockFire.java
-index 2909f78f8..9cf7d0b9e 100644
+index 2909f78f8..0ece78d4d 100644
 --- a/src/main/java/net/minecraft/server/BlockFire.java
 +++ b/src/main/java/net/minecraft/server/BlockFire.java
 @@ -0,0 +0,0 @@ public class BlockFire extends Block {
                                  }
  
                                  blockposition_mutableblockposition.g(blockposition).e(l, j1, i1);
-+                                if (!world.isLoaded(blockposition_mutableblockposition)) continue; // Paper
++                                if (!worldserver.isLoaded(blockposition_mutableblockposition)) continue; // Paper
                                  int l1 = this.a((IWorldReader) worldserver, (BlockPosition) blockposition_mutableblockposition);
  
                                  if (l1 > 0) {