}
subst_status = subst (temp, sizeof (temp), buffer,
- matches[0].rm_so, matches[0].rm_eo, act->replacement);
+ (size_t) matches[0].rm_so, (size_t) matches[0].rm_eo, act->replacement);
if (subst_status == NULL)
{
ERROR ("Target `replace': subst (buffer = %s, start = %zu, end = %zu, "