[qt5-qtbase/el6] (4 commits) ...make the QMAKE_STRIP sed not sensitive to whitespace (see #1074041 in Qt 4)

[Rex Dieter]

Summary of changes:

  be6f250... rebuild (libicu) (*)
  03e7d3e... bootstrap for libicu bump (*)
  32ae473... undefine QMAKE_STRIP (and friends), so we get useful -debug (*)
  ffd47db... make the QMAKE_STRIP sed not sensitive to whitespace (see # (*)

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