Make CFX_WideString::FromLocal() take a CFX_ByteStringC arg

core/fxcrt/include/fx_basic.h

Index: core/fxcrt/include/fx_basic.h
diff --git a/core/fxcrt/include/fx_basic.h b/core/fxcrt/include/fx_basic.h
index 744b2dd10fd6550ec452c24de16fa5d7d116f9c8..1cb517435163b9dd912627ac690915ff63e126a7 100644
--- a/core/fxcrt/include/fx_basic.h
+++ b/core/fxcrt/include/fx_basic.h
@@ -186,10 +186,10 @@ class CFX_FileBufferArchive {
 class CFX_CharMap {
  public:
   static CFX_ByteString GetByteString(uint16_t codepage,
-                                      const CFX_WideString& wstr);
+                                      const CFX_WideStringC& wstr);
 
   static CFX_WideString GetWideString(uint16_t codepage,
-                                      const CFX_ByteString& bstr);
+                                      const CFX_ByteStringC& bstr);
 
   CFX_CharMap() = delete;
 };