[S390] wire up sys_clock_adjtime

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 65f11ef..e003730 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -274,7 +274,8 @@
 #define __NR_prlimit64		334
 #define __NR_name_to_handle_at	335
 #define __NR_open_by_handle_at	336
-#define NR_syscalls 337
+#define __NR_clock_adjtime	337
+#define NR_syscalls 338
 
 /* 
  * There are some system calls that are not present on 64 bit, some