net/bnxt: fix crash
net/bnxt: fix crash

Fix use of local variable to avoid segfault.
cnt was incorrectly tested and decremented in the loop that removes
a VLAN from the table.

Fixes: 36735a932ca7 ("net/bnxt: support set VF QOS and MAC anti spoof")

Signed-off-by: Stephen Hurd <8155e40e5129e7620d834d414b39b8ff4bd75a48@broadcom.com>
Signed-off-by: Ajit Khaparde <01965fbd61169dc18f3fb5e13de7f67d298f8924@broadcom.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk