The build system was set up to install the ovs-sim manpage, but not
ovs-sim itself. I noticed this because the fedora rpm build is
currently broken because the man page was installed but not packaged
yet. Fix this up by not installing the manpage.
Signed-off-by: Russell Bryant <rbryant@redhat.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>