[gobject-introspection] (4 commits) Non-fast-forward update to branch ccompiler.msvc.fixes

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

The branch 'ccompiler.msvc.fixes' 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:

  679c227... giscanner/ccompiler.py: Fix macro defines with quotes on MS

Commits added to the branch:

  7206310... tests: Actually test libregress by specifying the LD_LIBRAR (*)
  dac5682... gitypelibtest: make tests fail if the library can't be foun (*)
  3b9ae74... CI: remove workaround for old meson bug (*)
  ab93f13... giscanner/ccompiler.py: Fix macro defines with quotes on MS

(*) This commit already existed in another branch; no separate mail sent