hostip: on macOS avoid DoH when given a numerical IP address

When USE_RESOLVE_ON_IPS is set (defined on macOS), it means that
numerical IP addresses still need to get "resolved" - but not with DoH.

Reported-by: Viktor Szakats
Fixes #5454
Closes #5459

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/doh.c b/lib/doh.c
index 98b201462..8f9e42c33 100644
--- a/lib/doh.c
+++ b/lib/doh.c
@@ -389,6 +389,7 @@ struct Curl_addrinfo *Curl_doh(struct connectdata *conn,
   /* start clean, consider allocating this struct on demand */
   memset(&data->req.doh, 0, sizeof(struct dohdata));
 
+  conn->bits.doh = TRUE;
   data->req.doh.host = hostname;
   data->req.doh.port = port;
   data->req.doh.headers =