Fix mod demo CI linkage and signing

libs/JSystem/include/JSystem/J3DGraphBase/J3DShape.h

@@ -5,6 +5,7 @@
 #include "JSystem/J3DAssert.h"
 #include "JSystem/J3DGraphBase/J3DFifo.h"
 #include "JSystem/JMath/JMath.h"
+#include "global.h"
 #include <mtx.h>
 #include "dusk/endian_gx.hpp"
 
@@ -203,7 +204,7 @@ public:
 
     static void resetVcdVatCache() { sOldVcdVatCmd = NULL; }
 
-    static void* sOldVcdVatCmd;
+    static DUSK_GAME_DATA void* sOldVcdVatCmd;
     static bool sEnvelopeFlag;
 
 private:

libs/JSystem/include/JSystem/J3DGraphBase/J3DSys.h

@@ -8,6 +8,7 @@
 #include "JSystem/JMath/JMath.h"
 #include "dusk/frame_interpolation.h"
 #include "dusk/endian.h"
+#include "global.h"
 
 enum J3DSysDrawBuf {
     /* 0x0 */ J3DSysDrawBuf_Opa,
@@ -208,6 +209,6 @@ struct J3DSys {
 };
 
 extern u32 j3dDefaultViewNo;
-extern J3DSys j3dSys;
+DUSK_GAME_EXTERN J3DSys j3dSys;
 
 #endif /* J3DSYS_H */