Avoid "unused variable" warning when NO_IPV6 defined.

[originally from svn r7710]

diff --git a/config.c b/config.c
index d5b50dd12e05d5d7a06a730ef1fa88a1a8b7857b..fd1379ab6627322ea5b8767530a830ed6d3a21ef 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