CIFS: Remove __exit mark from cifs_exit_dns_resolver()

Remove the __exit mark from cifs_exit_dns_resolver() as it's called by the
module init routine in case of error, and so may have been discarded during
linkage.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/cifs/dns_resolve.h b/fs/cifs/dns_resolve.h
index 26b9eaa..5d7f291 100644
--- a/fs/cifs/dns_resolve.h
+++ b/fs/cifs/dns_resolve.h
@@ -25,7 +25,7 @@
 
 #ifdef __KERNEL__
 extern int __init cifs_init_dns_resolver(void);
-extern void __exit cifs_exit_dns_resolver(void);
+extern void cifs_exit_dns_resolver(void);
 extern int dns_resolve_server_name_to_ip(const char *unc, char **ip_addr);
 #endif /* KERNEL */