pki: do not use /dev/fd
pki: do not use /dev/fd

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1209281
Change-Id: I68d3c04e38d2ee17a6ac72a3050544b14a79c039
Signed-off-by: Alon Bar-Lev <2e3ceb4d37adc6ae3ccc00d3646e0e0a036ace03@redhat.com>

OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine,eayun/ovirt-engine,eayun/ovirt-engine,zerodengxinchao/ovirt-engine,zerodengxinchao/ovirt-engine,yingyun001/ovirt-engine,OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine,yapengsong/ovirt-engine,walteryang47/ovirt-engine,yingyun001/ovirt-engine,walteryang47/ovirt-engine,yingyun001/ovirt-engine,yapengsong/ovirt-engine,zerodengxinchao/ovirt-engine,eayun/ovirt-engine,eayun/ovirt-engine,zerodengxinchao/ovirt-engine,walteryang47/ovirt-engine,walteryang47/ovirt-engine,yingyun001/ovirt-engine,yapengsong/ovirt-engine,OpenUniversity/ovirt-engine,eayun/ovirt-engine,walteryang47/ovirt-engine,yingyun001/ovirt-engine,yapengsong/ovirt-engine,yapengsong/ovirt-engine,zerodengxinchao/ovirt-engine