Log Message:
Update glib2 to 2.60.4

Create GIO_MODULES_DIR - reported by wiz@

Overview of changes in GLib 2.60.4
==================================

* Fixes to improved network status detection with NetworkManager (#1788)

* Leak fixes to some `glib-genmarshal` generated code (#1793)

* Further fixes to the Happy Eyeballs (RFC 8305) implementation (!865)

* File system permissions fix to clamp down permissions in a small time window
  when copying files (CVE-2019-12450, !876)

* Bugs fixed:
 - #1755 Please revert #535 gmacros: Try to use the standard __func__ first in \ 
G_STRFUNC
 - #1788 GNetworkMonitor claims I am offline
 - #1792 glib-genmarshal generated valist marshal does not respect static scope \ 
for some types
 - #1793 glib-genmarshal generates wrong code for va marshaler for VARIANT type
 - #1795 Fix mingw32 CI on older branches
 - !865 gnetworkaddress: fix "happy eyeballs" logic
 - !878 Backport !876 “gfile: Limit access to files when copying” to glib-2-60