(opensock): mark as internal functions.

diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c
index 36863db..2e0bc5b 100644 (file)
--- a/sysdeps/unix/sysv/linux/if_index.c
+++ b/sysdeps/unix/sysv/linux/if_index.c
@@ -28,6 +28,7 @@
 /* Try to get a socket to talk to the kernel.  */
 #if defined SIOGIFINDEX || defined SIOGIFNAME
 static int
+internal_function
 opensock (void)
 {
   /* Cache the last AF that worked, to avoid many redundant calls to