[S390] use ENTRY macro for sys_setns_wrapper

Use the ENTRY macro for the system call wrapper sys_setns_wrapper
similarly to the other wrappers.
Signed-off-by: NJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/kernel/compat_wrapper.S

@@ -1623,8 +1623,7 @@ ENTRY(sys_syncfs_wrapper)
 	lgfr	%r2,%r2			# int
 	jg	sys_syncfs
 
-	.globl	sys_setns_wrapper
-sys_setns_wrapper:
+ENTRY(sys_setns_wrapper)
 	lgfr	%r2,%r2			# int
 	lgfr	%r3,%r3			# int
 	jg	sys_setns