When gpib_user.h was renamed to gpio.h the include guard name was
not changed accordingly.
Change the include guard name to correspond with the file name
and cleanup the comments after the #endif.
Fixes: c7184cbf5530 ("staging: gpib: Rename common include file")
Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250509113014.9105-1-dpenkler@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
  *    copyright                   : (C) 2002 by Frank Mori Hess
  ***************************************************************************/
 
-#ifndef _GPIB_USER_H
-#define _GPIB_USER_H
+#ifndef _GPIB_H
+#define _GPIB_H
 
 #define GPIB_MAX_NUM_BOARDS 16
 #define GPIB_MAX_NUM_DESCRIPTORS 0x1000
        IB_STB_MAV = 0x10        /* IEEE 488.2 only */
 };
 
-#endif /* _GPIB_USER_H */
+#endif /* _GPIB_H */
 
-/* Check for errors */