lib: make some variables static

Signed-off-by: David Lamparter <equinox@diac24.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/if.c b/lib/if.c
index 31c1d9e8ba..c91407084e 100644
--- a/lib/if.c
+++ b/lib/if.c
@@ -58,7 +58,7 @@ DEFINE_QOBJ_TYPE(interface)
 DEFINE_HOOK(if_add, (struct interface * ifp), (ifp))
 DEFINE_KOOH(if_del, (struct interface * ifp), (ifp))
 
-struct interface_master{
+static struct interface_master{
 	int (*create_hook)(struct interface *ifp);
 	int (*up_hook)(struct interface *ifp);
 	int (*down_hook)(struct interface *ifp);