Makefile.mingw corrections and made the code pass much stricter checks (now mandated by Makefile.mignw) to ensure GCC 14 readiness.

src/codegen_new/codegen_allocator.c

@@ -30,7 +30,7 @@ static uint8_t *mem_block_alloc = NULL;
 
 int codegen_allocator_usage = 0;
 
-void codegen_allocator_init()
+void codegen_allocator_init(void)
 {
         int c;