Remove FX_WORD in favor of uint16_t.

fpdfsdk/pdfwindow/PWL_Utils.cpp

Index: fpdfsdk/pdfwindow/PWL_Utils.cpp
diff --git a/fpdfsdk/pdfwindow/PWL_Utils.cpp b/fpdfsdk/pdfwindow/PWL_Utils.cpp
index 23bddcdf1eee245fd68fdcf2d0030a364ee4082c..9ad12abfe6c57a56fe60e01e7bce15e4a667411f 100644
--- a/fpdfsdk/pdfwindow/PWL_Utils.cpp
+++ b/fpdfsdk/pdfwindow/PWL_Utils.cpp
@@ -417,7 +417,7 @@ CFX_ByteString CPWL_Utils::GetEditAppStream(IFX_Edit* pEdit,
                                             const CFX_FloatPoint& ptOffset,
                                             const CPVT_WordRange* pRange,
                                             FX_BOOL bContinuous,
-                                            FX_WORD SubWord) {
+                                            uint16_t SubWord) {
   return IFX_Edit::GetEditAppearanceStream(pEdit, ptOffset, pRange, bContinuous,
                                            SubWord);
 }