Drop an empty isicom.h from being exported to user space.

Drop <linux/isicom.h> from being exported to user space since it would
be only an empty file.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/Kbuild

@@ -247,7 +247,6 @@ unifdef-y += isdn.h
 unifdef-y += isdnif.h
 unifdef-y += isdn_divertif.h
 unifdef-y += isdn_ppp.h
-unifdef-y += isicom.h
 unifdef-y += jbd.h
 unifdef-y += joystick.h
 unifdef-y += kdev_t.h