Fix engine callbacks not being analysed in newly generated games

src/genworld.cpp

@@ -317,6 +317,7 @@ void GenerateWorld(GenWorldMode mode, uint size_x, uint size_y, bool reset_setti
 	GfxLoadSprites();
 	InitialiseExtraAspectsVariable();
 	LoadStringWidthTable();
+	AnalyseEngineCallbacks();
 
 	/* Re-init the windowing system */
 	ResetWindowSystem();