Fix type-o left over from cut-and-paste

Change-Id: I80b24cd8b75999454c1767bd3044ecc569f57d98
Signed-off-by: Yan Burman <yanb@mellanox.com>
Reviewed-on: https://code.wireshark.org/review/2805
Reviewed-by: Anders Broman <a.broman58@gmail.com>