Fix possible heap corruption in QXmlStream

The value of 'tos' at the check might already be on the last element,
so triggering stack expansion on the second last element is too late.

Change-Id: Ib3ab2662d4d27a71effe9e988b9e172923af2908
Reviewed-by: Richard J. Moore <rich@kde.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 6256729a6da532079505edfe4c56a6ef29cd8ab8)
Reviewed-By: Lisandro Damián Nicanor Pérez Meyer <lisandro@debian.org>
Last-Update: 2018-09-25

Gbp-Pq: Name fix_possible_heap_corruption_in_qxmlstream.patch

fix-glibc-2.28-build

Gbp-Pq: Name fix-glibc-2.28-build.patch

fix-selection-rendering

Gbp-Pq: Name fix-selection-rendering.patch

Fix regression in QPointF::operator==

Handle hard zero independently in each coordinate, otherwise hard zero
is never equal to anything but itself.

Task-number: QTBUG-69368
Change-Id: I8b1131472bb92efc706a04e0b067e2211a5ccb0c
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Gbp-Pq: Name fix_regresion_in_QPointF_operator_equals.patch

Revert "QWidgetWindow: Immediately forward close events to QWindow"

This reverts commit e0b5ff4ad583befbecbcbe462998e3ed80899531.

References: kde#395988
References: QTBUG-43344

Gbp-Pq: Name Revert-QWidgetWindow-Immediately-forward-close-event.patch

hidpi_scale_at_192

Gbp-Pq: Name hidpi_scale_at_192.diff

qtbase-opensource-src (5.11.1+dfsg-9) unstable; urgency=medium

  * Add libvulkan-dev to provide Vulkan support (Closes:#909579).
  * Backport fix_possible_heap_corruption_in_qxmlstream.patch to solve
    possible heap corruption on QXmlStream.
  * Update symbols files with buildds' and current logs.

[dgit import unpatched qtbase-opensource-src 5.11.1+dfsg-9]

Import qtbase-opensource-src_5.11.1+dfsg-9.debian.tar.xz

[dgit import tarball qtbase-opensource-src 5.11.1+dfsg-9 qtbase-opensource-src_5.11.1+dfsg-9.debian.tar.xz]

Import qtbase-opensource-src_5.11.1+dfsg.orig.tar.xz

[dgit import orig qtbase-opensource-src_5.11.1+dfsg.orig.tar.xz]