zebra/if_ioctl_solaris: Make foo static

make interface_ioctl_ioctl() and if_get_index() static

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/zebra/if_ioctl_solaris.c b/zebra/if_ioctl_solaris.c
index d54ed6a..50b4aca 100644
--- a/zebra/if_ioctl_solaris.c
+++ b/zebra/if_ioctl_solaris.c
@@ -40,7 +40,7 @@
 static void interface_info_ioctl (struct interface *);
 extern struct zebra_privs_t zserv_privs;
 
-int
+static int
 interface_list_ioctl (int af)
 {
   int ret;
@@ -209,7 +209,7 @@
 }
 
 /* Get interface's index by ioctl. */
-int
+static int
 if_get_index (struct interface *ifp)
 {
   int ret;