Remove typdefs for pointer types in fx_system.h

fpdfsdk/include/pdfwindow/PWL_Signature.h

Index: fpdfsdk/include/pdfwindow/PWL_Signature.h
diff --git a/fpdfsdk/include/pdfwindow/PWL_Signature.h b/fpdfsdk/include/pdfwindow/PWL_Signature.h
index bdc1406a3da9c7bf255a37792f2704d922f90874..be5ec58d1fb35a730bf57bcdb904fa2b46347eba 100644
--- a/fpdfsdk/include/pdfwindow/PWL_Signature.h
+++ b/fpdfsdk/include/pdfwindow/PWL_Signature.h
@@ -38,10 +38,10 @@ public:
 	CPWL_Signature();
 	virtual ~CPWL_Signature();
 
-	void								SetText(FX_LPCWSTR sText);
-	void								SetDescription(FX_LPCWSTR string);
+	void								SetText(const FX_WCHAR* sText);
+	void								SetDescription(const FX_WCHAR* string);
 	void								SetImage(CFX_DIBSource* pImage);
-	void								SetImageStream(CPDF_Stream * pStream, FX_LPCSTR sImageAlias);
+	void								SetImageStream(CPDF_Stream * pStream, const FX_CHAR* sImageAlias);
 
 	void								SetTextFlag(FX_BOOL bTextExist);
 	void								SetImageFlag(FX_BOOL bImageExist);