GCC 10 defaults to -fno-common, this means a linker error will now be
reported if the same global variable is defined in more than one
compilation unit.
Fixes: 08e0c75814 ("test/fib: add performance autotests")
Cc: stable@dpdk.org
Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>
Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>