[glib] (7 commits) Non-fast-forward update to branch wip/pwithnall/macos-werror

[Philip Withnall <pwithnall src gnome org>]

The branch 'wip/pwithnall/macos-werror' 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:

  8d54617... ci: Enable --werror on macOS
  1958125... gosxutils: Add newline at end of file
  a727406... glib: Drop commas at end of enumerator lists
  f87c36c... build: Disable -Wvariadic-macros
  4cd0cd3... WIP
  2222e62... gosxutils: Add missing prototype

Commits added to the branch:

  e5719fd... gosxutils: Add newline at end of file
  f845a55... glib: Drop commas at end of enumerator lists
  4876af4... build: Disable -Wvariadic-macros
  dcf4a51... build: Pass warning and warning-disabling arguments to C++ 
  9779fc0... gosxutils: Add missing prototype
  406ad59... Revert "glib: Drop commas at end of enumerator lists"
  faca9d3... ci: Enable --werror on macOS