rhel: Fix RPM build errors.

rhel: Fix RPM build errors.

On exec rpmbuild -ba openvswitch-fedora.spec displayed:

error: Installed (but unpackaged) file(s) found:
   /etc/bash_completion.d/ovs-appctl-bashcomp.bash
   /etc/bash_completion.d/ovs-vsctl-bashcomp.bash

RPM build errors:
    Installed (but unpackaged) file(s) found:
   /etc/bash_completion.d/ovs-appctl-bashcomp.bash
   /etc/bash_completion.d/ovs-vsctl-bashcomp.bash

/etc/bash_completion.d/ovs-appctl-bashcomp.bash and
/etc/bash_completion.d/ovs-vsctl-bashcomp.bash added to files list.

Signed-off-by: Oleg Gashev <oleg@gashev.net>
Acked-by: Alex Wang <alexw@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>