Clean the last remnant of ISC_PLATFORM_HAVEIPV6 macro

In set_sndbuf() we were using ISC_PLATFORM_HAVEIPV6 macro that doesn't
exist anymore, because we assume that IPv6 support is always available.

(cherry picked from commit 96ac91a18a6e506824c63d10a05e532d584ff5c1)

diff --git a/lib/isc/unix/socket.c b/lib/isc/unix/socket.c
index 0a724366d4cd824331981844ef159dad73a9e111..1a699d69d69509ce31fb4bfdc578ca193b08851a 100644 (file)
--- a/lib/isc/unix/socket.c
+++ b/lib/isc/unix/socket.c
@@ -2020,7 +2020,6 @@ set_sndbuf(void) {
        socklen_t len;
 
        fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-#if defined(ISC_PLATFORM_HAVEIPV6)
        if (fd == -1) {
                switch (errno) {
                case EPROTONOSUPPORT:
@@ -2035,7 +2034,6 @@ set_sndbuf(void) {
                        break;
                }
        }
-#endif /* if defined(ISC_PLATFORM_HAVEIPV6) */
        if (fd == -1) {
                return;
        }