BUILD: proto_uxst: do not set unused flag

Similarly to previous patch for sockpair, UNIX sockets set the
CONNECT_HAS_DATA flag without using it later, we can drop it.

(cherry picked from commit b5d1141305423bf221b554bd1349b90259afc3d7)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed