Fix FX_BOOL type mismatches.

core/src/fxcrt/fx_basic_gcc.cpp

 // 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
 
 #include <limits>
 
 #include "../../include/fxcrt/fx_ext.h"
 #include "../../include/fxcrt/fx_string.h"
@@ skipping 190 matching lines @@
 }
 #ifdef __cplusplus
 }
 #endif
 #endif
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
 #ifdef __cplusplus
 extern "C" {
 #endif
 int FXSYS_WideCharToMultiByte(FX_DWORD codepage, FX_DWORD dwFlags, const FX_WCHAR* wstr, int wlen,
-                              FX_CHAR* buf, int buflen, const FX_CHAR* default_str, FX_BOOL* pUseDefault)
+                              FX_CHAR* buf, int buflen, const FX_CHAR* default_str, int* pUseDefault)
 {
     int len = 0;
     for (int i = 0; i < wlen; i ++) {
         if (wstr[i] < 0x100) {
             if (buf && len < buflen) {
                 buf[len] = (FX_CHAR)wstr[i];
             }
             len ++;
         }
     }
     return len;
 }
 int FXSYS_MultiByteToWideChar(FX_DWORD codepage, FX_DWORD dwFlags, const FX_CHAR* bstr, int blen,
                               FX_WCHAR* buf, int buflen)
 {
     int wlen = 0;
     for (int i = 0; i < blen; i ++) {
         if (buf && wlen < buflen) {
             buf[wlen] = bstr[i];
         }
         wlen ++;
     }
     return wlen;
 }
 #ifdef __cplusplus
 }
 #endif
 #endif