ixgbe: move increments after evaluations

The retry variable was being incremented before it was evaluated by the
subsequent conditional against the maximum retries to figure out which
message to print. So we'll move the increment op to the end.

Signed-off-by: Jeb Cramer <jeb.j.cramer@intel.com>
Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
Reviewed-by: Wei Zhao <wei.zhao1@intel.com>

Approved by: imp
Obtained from: DPDK (390445ec30b4c52a3d2887c3d2a202d9cf37ea8e)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D31621