[pcp/f18] (3 commits) ...Correct the changelog entry from previous commit (thanks mgoodwin)

[nathans]

Summary of changes:

  6e7e35c... Remove s390 configure patch which has long been merged upst (*)
  7090275... Move configure step from prep to build section of spec (BZ  (*)
  40680c3... Correct the changelog entry from previous commit (thanks mg (*)

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