[glib/glib-2-70] (18 commits) ...Merge branch 'backport-2285-svace-fixes-glib-2-70' into 'glib-2-70'

[Sebastian Dröge <sdroege src gnome org>]

Summary of changes:

  5796bab... gdbusauthmechanismsha1: Fix pointer being freed after being
  7b582a9... glocalfile: Fix g_stat return value not being checked
  55dea0f... glocalfileinfo: Fix atime/mtime mix due to bad copy/paste
  5eb4e09... gmarshal-internal: Fix string leakage due to misplaced chec
  b293fc5... gopenuriportal: Fix GVariantBuilder and string leakage on g
  e81c909... gproxyaddressenumerator: Fix string leakage on an invalid i
  8d056da... gsettings-mapping: Fix HANDLE being treated as unsigned
  567fae6... gsocket: Add ignorant of an fcntl return value
  f4ea12c... gsocks5proxy: Fix buffer overflow on a really long domain n
  4d8c5b6... gbacktrace: Fix fcntl command arguments not being checked
  da1d64c... gkeyfile: Remove unreachable code
  644c9b9... gmessages: Add check for a localtime function return value
  8860493... gslice: Fix page size being limited to int instead of gsize
  d25f5c0... gvariant: Fix memory leak on a TYPE_CHECK failure
  3d80917... gvariant: Fix pointers being dereferenced despite NULL chec
  c590938... gtype: Fix pointer being dereferenced despite NULL check
  2f8e17a... add OOM handling in mimemagic
  39183ab... Merge branch 'backport-2285-svace-fixes-glib-2-70' into 'gl