[Glide64] Clean up how log is created

Source/Glide64/trace.cpp

@@ -78,12 +78,11 @@ void SetupTrace(void)
         return;
     }
 
-    CPath LogFilePath(log_dir);
+    CPath LogFilePath(log_dir, "Glide64.log");
     if (!LogFilePath.DirectoryExists())
     {
         LogFilePath.DirectoryCreate();
     }
-    LogFilePath.SetNameExtension("Glide64.log");
     g_LogFile = new CTraceFileLog(LogFilePath, GetSystemSetting(Set_log_flush) != 0, CLog::Log_New, 500);
     TraceAddModule(g_LogFile);
 }