This variable has undefined values in some cases.
Fixes: 422a20a4e62d ("app/testpmd: fix uninitialized flow control variables")
Signed-off-by: Ding Zhi <zhi.ding@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
[Thomas: split lines to conform with guidelines]
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>