Make a few more const tables smaller.

xfa/fgas/crt/fgas_codepage.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FGAS_CRT_FGAS_CODEPAGE_H_
 #define XFA_FGAS_CRT_FGAS_CODEPAGE_H_
 
 #include "core/include/fxcrt/fx_basic.h"
@@ skipping 145 matching lines @@
                         FX_WCHAR* pDst,
                         int32_t* pDstLen,
                         FX_BOOL bErrBreak = FALSE);
 int32_t FX_UTF8Decode(const FX_CHAR* pSrc,
                       int32_t* pSrcLen,
                       FX_WCHAR* pDst,
                       int32_t* pDstLen);
 
 struct FX_STR2CPHASH {
   uint32_t uHash;
-  uint32_t uCodePage;
+  uint16_t uCodePage;
 };
 
 struct FX_CHARSET_MAP {
   uint16_t charset;
   uint16_t codepage;
 };
 
 struct FX_LANG2CPMAP {
-  FX_WORD wLanguage;
-  FX_WORD wCodepage;
+  uint16_t wLanguage;
+  uint16_t wCodepage;
 };
 
 #endif  // XFA_FGAS_CRT_FGAS_CODEPAGE_H_