Avoid "unused variable" warning when NO_IPV6 defined.

git-svn-id: svn://svn.tartarus.org/sgt/putty@7710 cda61777-01e9-0310-a592-d414129be87e

diff --git a/config.c b/config.c
index d5b50dd..fd1379a 100644 (file)
--- a/config.c
+++ b/config.c
@@ -1049,7 +1049,9 @@ static void portfwd_handler(union control *ctrl, void *dlg,
                {
                    static const char *const afs = "A46";
                    char *afp = strchr(afs, *p);
+#ifndef NO_IPV6
                    int idx = afp ? afp-afs : 0;
+#endif
                    if (afp)
                        p++;
 #ifndef NO_IPV6