spec: require latest version of IOProcess

This version includes an important fix for
IOProcess being referenced by the communication thread

Change-Id: Ic70d15fe0b9827707a51654e31327f7a50c479ac
Signed-off-by: Yeela Kaplan <ykaplan@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/34403
Reviewed-by: Saggi Mizrahi <smizrahi@redhat.com>
Tested-by: Saggi Mizrahi <smizrahi@redhat.com>