The following bug has been logged on the website:
Bug reference: 11129
Logged by: Nicolas Goy
Email address: kuon(at)goyman(dot)com
PostgreSQL version: 9.3.5
Operating system: Centos 7
Description:
It seems that:
http://yum.postgresql.org/9.3/redhat/rhel-7-x86_64/postgresql93-9.3.5-1PGDG.rhel7.x86_64.rpm
Is missing the uuid-ossp module.