Log Message:
gdk-pixbuf2: update to 2.42.9.

Security fix release.

2.42.9 (stable)
===

- Fix the check for maximum value of LZW initial code size [#136, Robert Ancell]
- Use CMake for dependencies on Windows/MSVC [!131, Chun-Wei Fan]
- Add option for building tests [!132]
- Move man pages to reStructuredText [!134]
- Disable relocation when built as a static libary on Windows [!136, Hesham Essam]
- Update wrap file for libjpeg-turbo [!138, Georges Basile Stavracas Neto]
- Limit the memory size when loading image data [#205, Sam Ezeh]