[cups/f13/master] (5 commits) ...Merge branch 'f12' into f13

[Tim Waugh]

Summary of changes:

  08f2061... Build with --enable-threads again (bug #607159). (*)
  b2a234f... Force the use of gnutls despite thread-safety concerns (bug (*)
  55737f8... 1.4.4-8 (*)
  91b2885... Perform locking for gnutls and avoid libgcrypt's broken loc (*)
  bdfb23b... Merge branch 'f12' into f13

(*) This commit already existed in another branch; no separate mail sent