btl/uct: correctly set the completion status before using uct complet…#13032

hjelmn merged 1 commit intoopen-mpi:mainopen-mpi/ompi:mainfrom

hjelmn:fix_flaw_in_btl_uct_because_i_did_not_fully_read_the_documentation_when_the_callbacks_were_changes_and_noone_noticedhjelmn/ompi:fix_flaw_in_btl_uct_because_i_did_not_fully_read_the_documentation_when_the_callbacks_were_changes_and_noone_noticedCopy head branch name to clipboard