Fix compilation errors after decomp/main merge

- Fix <string> -> <cstring> across all source files (upstream fix)
- Add <cstring> to JASGadget.h, <cstdarg> to JUTDbPrint.cpp
- Fix <string> -> <cstring> in JUTFont.h, d_save.h, f_ap_game.h
- Fix std::isnan usage in c_cc_d.cpp
- Fix cCcD_Src types: s32 -> u32 for bitmask fields (upstream fix)
- Fix AT_TYPE_WOLF_ATTACK/AT_TYPE_UNK unsigned literals (upstream fix)
- Remove (s32) casts on hex literals in collision data (upstream fix)
- Fix 0xFFFFFFFF literal in d_a_obj_wood_statue.cpp (upstream fix)
- Add braces to case 0 in d_a_e_gb.cpp to fix jump-over-init
- Fix Z2AudioCS.h include path (Z2AudioLib -> Z2AudioCS)
- Forward-declare Z2AudioCS in stubs.cpp to avoid revolution conflicts
- Guard JASGlobalInstance specializations with __MWERKS__ in m_Do_main
- Remove duplicate inline functions from d_com_inf_game.h
- Mark dummy() functions as static (upstream fix)
- Add JAUSectionHeap.h include to m_Do_main.cpp

src/dusk/stubs.cpp

@@ -692,7 +692,10 @@ void DSPSendMailToDSP(u32 mail) {
 }
 
 #pragma mark Z2Audio
-#include <Z2AudioLib/Z2AudioCS.h>
+class Z2AudioCS {
+public:
+    void extensionProcess(s32, s32);
+};
 void Z2AudioCS::extensionProcess(s32, s32) {
     puts("Z2AudioMgr::play is a stub");
 }