int poptAddAlias(poptContext con, struct poptAlias alias,
/*@unused@*/ int flags)
{
- poptItem item = alloca(sizeof(*item));
+ poptItem item = (poptItem) alloca(sizeof(*item));
memset(item, 0, sizeof(*item));
item->option.longName = alias.longName;
item->option.shortName = alias.shortName;