kvm_stat.{1,pod} started showing up as untracked files in my
directory, and I nearly accidentally merged them into a commit
with my usual habit of 'git add .'.  Rather than spelling out
each such file, just ignore the entire pattern.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>