translate-all: Use g_try_malloc() for dynamic translator buffer The USE_MMAP code can fail, and the caller handles the failure already. Let the !USE_MMAP code fail as well, for consistency. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>