evaluate: bail out if new flowtable does not specify hook and priority

If user forgets to specify the hook and priority and the flowtable does
not exist, then bail out:

 # cat flowtable-incomplete.nft
 table t {
  flowtable f {
   devices = { lo }
  }
 }
 # nft -f /tmp/k
 flowtable-incomplete.nft:2:12-12: Error: missing hook and priority in flowtable declaration
 flowtable f {
           ^

Update one existing tests/shell to specify a hook and priority.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

0 files changed, 0 insertions, 0 deletions