Eliminate some gcc warnings about 'unused variables', mostly by

adding appropriate #ifdef's around declarations.

ok millert@ (with a tweak I will commit separately)

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libc/net/if_nameindex.c b/src/lib/libc/net/if_nameindex.c
index 123ac85ad6..6e5bc0809a 100644
--- a/src/lib/libc/net/if_nameindex.c
+++ b/src/lib/libc/net/if_nameindex.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: if_nameindex.c,v 1.12 2016/12/15 20:50:36 krw Exp $   */
+/*      $OpenBSD: if_nameindex.c,v 1.13 2016/12/16 17:44:59 krw Exp $   */
 /*      $KAME: if_nameindex.c,v 1.7 2000/11/24 08:17:20 itojun Exp $    */
 
 /*-
@@ -81,7 +81,7 @@ if_nameindex(void)
         struct if_nameindex_msg *ifnm = NULL;
         struct if_nameindex *ifni = NULL, *ifni2;
         char *cp;
-        size_t nbytes, needed;
+        size_t needed;
         unsigned int ni, i;
         int mib[6];