[gdk-pixbuf] (2 commits) Non-fast-forward update to branch master.msvcfixes

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'master.msvcfixes' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  7e18a97... io-jpeg.c: Fix Meson build without sigsetjmp()
  0259017... build: Add post install script for MSVC builds

Commits added to the branch:

  84da851... meson.build Use set() instead of set10()
  268d3b8... build: Add post install script for MSVC builds