Apply following update to suse131_qt4, bump PKGREVISION to 2.

  openSUSE Recommended Update: libqt4: fix cirrus driver issues
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Announcement ID:    openSUSE-RU-2014:1251-1
Rating:            moderate
References:        #847880
Affected Products:
                    openSUSE 13.1
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  An update that has one recommended fix can now be installed.

Description:

  libqt4 was updated to fix the following bug:

  When extracting a region of a QRasterPixmapData an optimization was using
  the wrong bit depth for some calculations thus copying a different section
  of the image than requested. This breaks specially the oxygen kde theme
  under qemu when using a cirrus driver.

(obache)