Index: src/Core/OOTrumble.h
--- src/Core/OOTrumble.h.orig
+++ src/Core/OOTrumble.h
@@ -66,7 +66,7 @@ enum trumble_mouth
 	TRUMBLE_MOUTH_NORMAL
 };
 
-float	trumbleAppetiteAccumulator;
+extern float	trumbleAppetiteAccumulator;
 
 @interface OOTrumble : NSObject
 {
