--- mstools/h/dlgs.h	2018/08/09 18:20:01	1.1.1.1
+++ mstools/h/dlgs.h	2018/08/09 18:23:03	1.1.1.3
@@ -1,7 +1,10 @@
+#ifndef _DLGSH_INCLUDED_
+#define _DLGSH_INCLUDED_
+
 /*---------------------------------------------------------------------------*/
 /* Dlgs.h : UI dialog header                                                 */
 /*                                                                           */
-/* Copyright (c) Microsoft Corporation, 1990-                                */
+/* Copyright (c) Microsoft Corporation, 1990-1993                            */
 /*---------------------------------------------------------------------------*/
 
 /*----Constants--------------------------------------------------------------*/
@@ -194,3 +197,5 @@ typedef struct tagCRGB
     }
 CRGB;           /* RGB Color */
 
+
+#endif // _DLGSH_INCLUDED_