Log Message:
Update poppler to 0.24.0.

Release 0.24.0
  core:
   * TextOutputDev: Do not draw ligatures more than once when
     selected. Bug #9001
   * PSOutputDev: Make some pdftops conversions much faster
   * PSOutputDev: Initialize t3FillColorOnly
   * SplashOutputDev: Fallback to 1x1 bitmap if we fail to create
     the real size

Release 0.23.4
  core:
   * TextOutputDev: clip the selected text rendering to the selection
     box. Bug #66983
   * CairoImageOutputDev: Fix the bounding box of saved images

  build system:
   * Improve linking against pthreads

Release 0.23.3
  core:
   * Annotation improvements
   * Fix crashes on malformed files
   * TextSelectionPainter: Draw glyphs after selection background
   * TextOutputDev: add a method to TextPage to get the selection
     as a list of words

  qt5:
   * Initial Qt5 port

  qt4:
   * Windows compile fixes
   * Demo: Allow the choose the page rotation

  build system:
   * Fix mingw build
   * Minor autotools fixes

Release 0.23.2
  core:
   * SplashOutputDev: Speed-up some tiling on a 10x factor
   * Improve caching of lcms2 ICC color profiles
   * Put some private classes in an anonymous namespace

  qt4:
   * Add a thread stresser tool

  build system:
   * Fix mingw build

Release 0.23.1
  core:
   * XRef stream writing: Write 32-bit offsets when possible
   * Fix splashModeBGR8 rendering (Bug #64381)

  glib:
   * Do not use deprecated gtk_scrolled_window_add_with_viewport()
     (Bug #64683)

  build system:
   * Fix Large file support when using cmake

Release 0.23.0
  core:
   * Make rendering thread safe
   * Large file support
   * Implement Crypt filter (Bug #62800)
   * Fix endstream detection (Bug #62985)
   * CairoOutputDev: support uncolored tiling patterns (Bug #59179)
   * SplashOutputDev: Introduce Thin Line mode support (Bug #37347)

  qt4:
   * Expose Thin Line mode support