[qt/f18] (3 commits) ...revert upstream postgresql driver changes wrt escaping (QTBUG-30076)

[Rex Dieter]

Summary of changes:

  7ff9f93... reduce debuginfo in qtwebkit(webcore) and qtscript(javascri (*)
  d504b2c... drop qtscript(javascriptcore) debuginfo patch, savings not  (*)
  fae7ccc... revert upstream postgresql driver changes wrt escaping (QTB (*)

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