Log Message:
Overview of changes fron GLib 2.36.2 to 2.36.4
==============================================

This change addresses a major issue: despite assurances in the
documentation for the ext4 filesystem, it is still unsafe to omit a call
to fsync() when doing atomic replaces, as per g_file_set_contents().
Some patches have gone into the kernel already, but we are putting the
fsync() back for safety reasons.

There have also been win32 improvements and a fix where
GNetworkMonitor failed to detect the connection with some VPN
configurations.

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