Various winbind updates:

Various winbind updates:

- pam_winbind updates from vance, fixing a typo and making some the options
  work properly.

- Extra parinoia in the winbind connection loop

- Allow pam_winbind to compile on HP-UX (Don Mcall, more work to do).

- Fix up configure.in to use the same method for building the test .so
  as the Makefile uses.

Andrew Bartlett