sanitize linux/isdn_divertif.h for userspace

the isdn_divertif contains kernel-only references so I've wrapped them in
__KERNEL__ and add proper #include statements.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Karsten Keil <kkeil@suse.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/isdn_divertif.h b/include/linux/isdn_divertif.h
index 0e7e44c..07821ca 100644
--- a/include/linux/isdn_divertif.h
+++ b/include/linux/isdn_divertif.h
@@ -24,6 +24,10 @@
 #define DIVERT_REL_ERR  0x04  /* module not registered */
 #define DIVERT_REG_NAME isdn_register_divert
 
+#ifdef __KERNEL__
+#include <linux/isdnif.h>
+#include <linux/types.h>
+
 /***************************************************************/
 /* structure exchanging data between isdn hl and divert module */
 /***************************************************************/ 
@@ -40,3 +44,4 @@
 /* function register */
 /*********************/
 extern int DIVERT_REG_NAME(isdn_divert_if *);
+#endif