Fixed PS2 build

src/core/ps2/SDL_ps2.c

@@ -68,7 +68,6 @@ DECLSPEC int
 SDL_RunApp(int argc, char* argv[], SDL_main_func mainFunction, void * reserved)
 {
     int res;
-    char cwd[FILENAME_MAX];
     (void)reserved;
 
     prepare_IOP();