samples, bpf: Add xsk_fwd test file to .gitignore

This commit adds xsk_fwd test file to .gitignore which is newly added
to samples/bpf.

Signed-off-by: Daniel T. Lee <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
1 file changed