Core/Game: Move singleton instances into compilation units

* Fixes issues when building shared libraries
  (prevents gcc and clang from providing several instance)

(cherry picked from commit 329225b40d110bed634f8cd0a1ab5c6dc7bbbdd1)

1 files changed, 1 insertions, 5 deletions

diff --git a/src/server/game/Handlers/AddonHandler.h b/src/server/game/Handlers/AddonHandler.h
index 1e8081e0913..0113695895a 100644
--- a/src/server/game/Handlers/AddonHandler.h
+++ b/src/server/game/Handlers/AddonHandler.h
@@ -26,11 +26,7 @@
 class AddonHandler
 {
     public:
-        static AddonHandler* instance()
-        {
-            static AddonHandler instance;
-            return &instance;
-        }
+        static AddonHandler* instance();
 
         bool BuildAddonPacket(WorldPacket* Source, WorldPacket* Target);