smack: make smk_cipso_doi() and smk_unlbl_ambient()

The functions smk_cipso_doi and smk_unlbl_ambient are not used outside
smackfs.c and should hence be static.
Signed-off-by: NCasey Schaufler <casey@schaufler-ca.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

security/smack/smackfs.c

@@ -317,7 +317,7 @@ static const struct file_operations smk_load_ops = {
 /**
  * smk_cipso_doi - initialize the CIPSO domain
  */
-void smk_cipso_doi(void)
+static void smk_cipso_doi(void)
 {
 	int rc;
 	struct cipso_v4_doi *doip;
@@ -350,7 +350,7 @@ void smk_cipso_doi(void)
 /**
  * smk_unlbl_ambient - initialize the unlabeled domain
  */
-void smk_unlbl_ambient(char *oldambient)
+static void smk_unlbl_ambient(char *oldambient)
 {
 	int rc;
 	struct netlbl_audit audit_info;