Fix missing headers globally: include <stdarg.h> and <stdio.h> in StdHeader.h for Linux GCC compatibility

Author: bubio

src/StdHeader.h

@@ -179,6 +179,8 @@ typedef HWND CX88WndHandle;
 
 // STL
 
+#include <stdarg.h>
+#include <stdio.h>
 #include <vector>
 #include <list>
 #include <deque>

src/X88Utility.cpp

@@ -8,8 +8,6 @@
 
 #include "StdHeader.h"
 
-#include <stdarg.h>
-
 #include "X88Utility.h"
 
 #if defined(X88_ENCODE_ICONV)