The unit test, "OFPST_TABLE reply - OF1.2" in ofp-print.at
sends a very large hex string as an argument to 'ovs-ofctl ofp-print'.
The length of the hex string exceeds the maximum command line length
in Windows. With this commit, we can pass the same hex string by
placing it inside a file.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>