Fix warnings in android build, fix font rendering issue, fix issue 357588: wrong characters represe…

core/include/fxcrt/fx_system.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 _FX_SYSTEM_H_
 #define _FX_SYSTEM_H_
 #define _FX_WIN32_DESKTOP_              1
 #define _FX_LINUX_DESKTOP_              4
@@ skipping 21 matching lines @@
 #if !defined(_FX_OS_) || _FX_OS_ == 0
 #error Sorry, can not figure out what OS you are targeting to. Please specify _FX_OS_ macro.
 #endif
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 #define _CRT_SECURE_NO_WARNINGS
 #include <windows.h>
 #endif
 #define _FX_W32_                1
 #define _FX_W64_                2
 #ifndef _FX_WORDSIZE_
-#if defined(_WIN64) || defined(__arm64) || defined(__arm64__) || defined(_M_AMD64) || defined(_M_X64) || defined(_M_IA64) || defined(__powerpc64__) || defined(__x86_64__) || __WORDSIZE == 64
+#if defined(_WIN64) || defined(__arm64) || defined(__arm64__) || defined(_M_AMD64) || defined(_M_X64) || defined(_M_IA64) || defined(__powerpc64__) || defined(__x86_64__) || __WORDSIZE == 64 || defined(__LP64__)
 #define _FX_WORDSIZE_   _FX_W64_
 #else
 #define _FX_WORDSIZE_   _FX_W32_
 #endif
 #endif
 #include <stddef.h>
 #include <stdarg.h>
 #include <setjmp.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ skipping 217 matching lines @@
 FX_LPCWSTR      FXSYS_i64tow(FX_INT64 value, FX_LPWSTR str, int radix);
 int                     FXSYS_round(FX_FLOAT f);
 #define         FXSYS_Mul(a, b) ((a) * (b))
 #define         FXSYS_Div(a, b) ((a) / (b))
 #define         FXSYS_MulDiv(a, b, c) ((a) * (b) / (c))
 #define         FXSYS_sqrt2(a, b) (FX_FLOAT)FXSYS_sqrt((a)*(a) + (b)*(b))
 #ifdef __cplusplus
 };
 #endif
 #endif