[gdk-pixbuf] (5 commits) Non-fast-forward update to branch ebassi/for-master

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'ebassi/for-master' 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:

  32636a5... Update the checksum for the libjpeg source archive
  c493487... ci: Specify 0.56.2 as the installed Meson version
  d283ffc... build: Use old syntax for fallback dependencies
  4679af8... build: Don't do function checks for subprojects

Commits added to the branch:

  c44312e... Update the checksum for the libjpeg source archive
  676533c... ci: Specify 0.56.2 as the installed Meson version
  7583d07... build: Use old syntax for fallback dependencies
  e7b6681... build: Don't do function checks for subprojects
  993e75a... build: Reorganise the libjpeg checks