satisfy non-c99 compilers

diff --git a/usr.sbin/unbound/util/net_help.c b/usr.sbin/unbound/util/net_help.c
index e559c9b..dec46da 100644 (file)
--- a/usr.sbin/unbound/util/net_help.c
+++ b/usr.sbin/unbound/util/net_help.c
@@ -809,6 +809,7 @@ addr_to_nat64(const struct sockaddr_storage* addr,
        struct sockaddr_in *sin = (struct sockaddr_in *)addr;
        struct sockaddr_in6 *sin6;
        uint8_t *v4_byte;
+       int i;
 
        /* This needs to be checked by the caller */
        log_assert(addr->ss_family == AF_INET);
@@ -826,7 +827,7 @@ addr_to_nat64(const struct sockaddr_storage* addr,
        nat64_prefixnet = nat64_prefixnet / 8;
 
        v4_byte = (uint8_t *)&sin->sin_addr.s_addr;
-       for(int i = 0; i < 4; i++) {
+       for(i = 0; i < 4; i++) {
                if(nat64_prefixnet == 8) {
                        /* bits 64...71 are MBZ */
                        sin6->sin6_addr.s6_addr[nat64_prefixnet++] = 0;