[glib] (3 commits) Non-fast-forward update to branch wip/2-58-cve-2021-27219

[Simon McVittie <smcv src gnome org>]

The branch 'wip/2-58-cve-2021-27219' 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:

  65be56a... gvariant test: Use g_memdup2
  1ad50f8... gwinhttpfile: Avoid arithmetic overflow when calculating a 
  8367c73... gwin32: Use gsize internally in g_wcsdup()

Commits added to the branch:

  1436fed... gvariant test: Use g_memdup2
  5c26b6a... gwinhttpfile: Avoid arithmetic overflow when calculating a 
  7f308de... gwin32: Use gsize internally in g_wcsdup()