(svn r19315) -Fix (r19295): Show the filename in the newgrf windows if the newgrf name is not empty

src/newgrf_config.cpp

@@ -43,7 +43,7 @@ GRFConfig::~GRFConfig()
  */
 const char *GRFConfig::GetName() const
 {
-	if (this->name == NULL) return this->filename;
+	if (StrEmpty(this->name)) return this->filename;
 	return this->name;
 }