Fix wrong variable being checked. Fixes #233

Spigot-Server-Patches/0024-Only-refresh-abilities-if-needed.patch

@@ -1,18 +1,18 @@
-From 13bbada8c20eff21947344b3d5fac69bb7cc521f Mon Sep 17 00:00:00 2001
+From 83c757b2b09a6ff9dff0f2f2e4861aa324aefdb7 Mon Sep 17 00:00:00 2001
 From: Zach Brown <zach.brown@destroystokyo.com>
 Date: Tue, 1 Mar 2016 23:12:03 -0600
 Subject: [PATCH] Only refresh abilities if needed
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-index 3203458..8370d94 100644
+index 3f1c9bf..64bd053 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 @@ -1133,12 +1133,13 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
  
      @Override
      public void setFlying(boolean value) {
-+        boolean needsUpdate = getHandle().abilities.canFly != value; // Paper - Only refresh abilities if needed
++        boolean needsUpdate = getHandle().abilities.isFlying != value; // Paper - Only refresh abilities if needed
          if (!getAllowFlight() && value) {
              throw new IllegalArgumentException("Cannot make player fly if getAllowFlight() is false");
          }