fixed warning

code/AssetLib/NFF/NFFLoader.cpp

@@ -83,7 +83,7 @@ NFFImporter::~NFFImporter() {}
 
 // ------------------------------------------------------------------------------------------------
 // Returns whether the class can handle the format of the given file.
-bool NFFImporter::CanRead(const std::string &pFile, IOSystem * /*pIOHandler*/, bool /*checkSig*/) const {
+bool NFFImporter::CanRead(const std::string & /*pFile*/, IOSystem * /*pIOHandler*/, bool /*checkSig*/) const {
     return false;
 }