- check access permissions on LOOKUP when the fidcache is populated   instead of only when loading via RPC; fixes a few more pjd POSIX   tests. - if an error occurs when loading the fcmh during LOOKUP, bail out   instead of issuing an RPC.
- check access permissions on LOOKUP when the fidcache is populated
  instead of only when loading via RPC; fixes a few more pjd POSIX
  tests.
- if an error occurs when loading the fcmh during LOOKUP, bail out
  instead of issuing an RPC.

OK pauln@ zhihui@


git-svn-id: ae92b08b608af1c8cefa3e10d2325ea527204e07@15427 3eda493b-6a19-0410-b2e0-ec8ea4dd8fda

pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable,pscedu/slash2-stable