[S390] Get rid of a lot of sparse warnings.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

include/asm-s390/kdebug.h

@@ -26,7 +26,6 @@ extern int register_page_fault_notifier(struct notifier_block *);
 extern int unregister_page_fault_notifier(struct notifier_block *);
 extern struct atomic_notifier_head s390die_chain;
 
-
 enum die_val {
 	DIE_OOPS = 1,
 	DIE_BPT,
@@ -56,4 +55,6 @@ static inline int notify_die(enum die_val val, const char *str,
 	return atomic_notifier_call_chain(&s390die_chain, val, &args);
 }
 
+extern void die(const char *, struct pt_regs *, long);
+
 #endif