m_Do_ext retail linked + debug improvements (#3009)

src/f_op/f_op_actor_mng.cpp

@@ -392,15 +392,6 @@ int fopAcM::HeapAdjustMargin =
     0x10000;
 #endif
 
-struct DummyCheckHeap {
-    JKRHeap* getHeap();
-    void setHeap(JKRHeap* heap);
-
-    /* 0x0 */ JKRHeap* dummyHeap;
-};
-
-static DummyCheckHeap* dch = NULL;
-
 bool fopAcM_entrySolidHeap_(fopAc_ac_c* i_actor, heapCallbackFunc i_heapCallback, u32 i_size) {
 #if DEBUG
     s16 procProfName = fopAcM_GetProfName(i_actor);

src/m_Do/m_Do_main.cpp

@@ -864,7 +864,7 @@ void parse_args(int argc, const char* argv[]) {
 
 static u8 mainThreadStack[32768];
 
-static OSThread mainThread;
+OSThread mainThread;
 
 void main(int argc, const char* argv[]) {
     OSThread* current_thread = OSGetCurrentThread();