Fix legacy detection of AGP cards

reactos/drivers/video/videoprt

diff -u -r1.3 -r1.4
--- resource.c	15 May 2004 22:45:51 -0000	1.3
+++ resource.c	15 Oct 2004 22:48:43 -0000	1.4
@@ -18,7 +18,7 @@

  * If not, write to the Free Software Foundation,
  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  *

- * $Id: resource.c,v 1.3 2004/05/15 22:45:51 hbirr Exp $

+ * $Id: resource.c,v 1.4 2004/10/15 22:48:43 gvg Exp $

  */
 
 #include "videoprt.h"

@@ -376,7 +376,7 @@

          if (FunctionNumber == 8)
          {
             DPRINT("Didn't find device.\n");

-            return ERROR_NO_SYSTEM_RESOURCES;

+            return ERROR_DEV_NOT_EXIST;

          }
       }