compiler warnings

[hfstco]

just a quick fix

[126/230] Building C object CMakeFiles/picoquic-test.dir/picoquictest/picoquic_ns.c.o
/Users/matthias/CLionProjects/picoquic/picoquictest/picoquic_ns.c:647:5: warning: '/*' within block comment [-Wcomment]
  647 |     /* reset the queue time to current_time, i.e., after packets in transit are delivered.*/
      |     ^
1 warning generated.
[143/230] Building C object CMakeFiles/picoquicdemo.dir/picoquicfirst/picoquicdemo.c.o
/Users/matthias/CLionProjects/picoquic/picoquicfirst/picoquicdemo.c:661:29: warning: using the result of an assignment as a condition without parentheses [-Wparentheses]
  661 |                     if (ret = picoquic_subscribe_new_path_allowed(cb_ctx->cnx_client, &is_already_allowed) == 0) {
      |                         ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/matthias/CLionProjects/picoquic/picoquicfirst/picoquicdemo.c:661:29: note: place parentheses around the assignment to silence this warning
  661 |                     if (ret = picoquic_subscribe_new_path_allowed(cb_ctx->cnx_client, &is_already_allowed) == 0) {
      |                             ^                                                                                  
      |                         (                                                                                      )
/Users/matthias/CLionProjects/picoquic/picoquicfirst/picoquicdemo.c:661:29: note: use '==' to turn this assignment into an equality comparison
  661 |                     if (ret = picoquic_subscribe_new_path_allowed(cb_ctx->cnx_client, &is_already_allowed) == 0) {
      |                             ^
      |                             ==
1 warning generated.

[huitema]

Thanks for fixing that!