check for rl_completion_func_t type, since we really use that one, which is not in libedit, fixes bug #2848525
check for rl_completion_func_t type, since we really use that one, which is not in libedit, fixes bug #2848525

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb