ares_getsock, ares_fds: UDP can have write flag set

Recent changes now allow UDP to wait on write events in
retry scenarios.

Fix By: Brad House (@bradh352)

src/lib/legacy/ares_fds.c

@@ -69,8 +69,7 @@ int ares_fds(const ares_channel_t *channel, fd_set *read_fds, fd_set *write_fds)
       }
 
       /* TCP only wait on write if we have the flag set */
-      if (conn->flags & ARES_CONN_FLAG_TCP &&
-          conn->state_flags & ARES_CONN_STATE_WRITE) {
+      if (conn->state_flags & ARES_CONN_STATE_WRITE) {
         FD_SET(conn->fd, write_fds);
       }
     }

src/lib/legacy/ares_getsock.c

@@ -71,8 +71,7 @@ int ares_getsock(const ares_channel_t *channel, ares_socket_t *socks,
         bitmap |= ARES_GETSOCK_READABLE(setbits, sockindex);
       }
 
-      if (conn->flags & ARES_CONN_FLAG_TCP &&
-          conn->state_flags & ARES_CONN_STATE_WRITE) {
+      if (conn->state_flags & ARES_CONN_STATE_WRITE) {
         /* then the tcp socket is also writable! */
         bitmap |= ARES_GETSOCK_WRITABLE(setbits, sockindex);
       }