Sort includes in xfa/.

xfa/src/fgas/include/fx_alg.h

Index: xfa/src/fgas/include/fx_alg.h
diff --git a/xfa/src/fgas/include/fx_alg.h b/xfa/src/fgas/include/fx_alg.h
index dd593202da78ab4625700a10eff93c48f572e63e..e2682729a381a75c889283e037300840ef6790f3 100644
--- a/xfa/src/fgas/include/fx_alg.h
+++ b/xfa/src/fgas/include/fx_alg.h
@@ -7,10 +7,16 @@
 #ifndef XFA_SRC_FGAS_INCLUDE_FX_ALG_H_
 #define XFA_SRC_FGAS_INCLUDE_FX_ALG_H_
 
+#include <cstdint>
+
+#include "core/include/fxcrt/fx_basic.h"
+
 #define FX_IsOdd(a) ((a)&1)
+
 #ifdef __cplusplus
 extern "C" {
 #endif
+
 int32_t FX_Base64EncodeA(const uint8_t* pSrc, int32_t iSrcLen, FX_CHAR* pDst);
 int32_t FX_Base64DecodeA(const FX_CHAR* pSrc, int32_t iSrcLen, uint8_t* pDst);
 int32_t FX_Base64DecodeW(const FX_WCHAR* pSrc, int32_t iSrcLen, uint8_t* pDst);
@@ -22,6 +28,7 @@ int32_t FX_SeparateStringW(const FX_WCHAR* pStr,
 #ifdef __cplusplus
 };
 #endif
+
 template <class baseType>
 class CFX_DSPATemplate {
  public: