* code function for relocating the savefile.

* don't bitch at the user when trying to load a savestate file that doesn't exist.
* grey out 'load state' items if there is no file.

src/NDSCart.h

@@ -45,6 +45,7 @@ void Reset();
 void DoSavestate(Savestate* file);
 
 bool LoadROM(const char* path, const char* sram, bool direct);
+void RelocateSave(const char* path);
 
 void WriteROMCnt(u32 val);
 u32 ReadROMData();