Fixed build error on Fedora 19 (i686).
Fixed build error on Fedora 19 (i686).

Both true and false expression in conditional expression must be evaluated
as the same data type.

Change-Id: I9eeb3846d1656ba9c6ed095d1698c6add8a10536
Signed-off-by: Shigeru Yasuda <4286dc62f6b184926d282535950a80f031d65860@da.jp.nec.com>

opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn,opendaylight/vtn