qtbase: use v5.12.0 as base

* restore 0018-Fix-compile-issue-with-gcc-9.patch which is only in v5.12.1
* zlib detection got broken probably in:
  commit e80bf655e922e9864f8843b5e7bbb47019a6d95a
  Author: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
  Date:   Thu Dec 7 19:30:07 2017 +0100

    configure: verify header presence against sources

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/recipes-qt/qt5/qtbase/0013-Check-glibc-version-for-renameat2-statx-on-non-boots.patch b/recipes-qt/qt5/qtbase/0013-Check-glibc-version-for-renameat2-statx-on-non-boots.patch
index 27b354b2..c3f2aed0 100644
--- a/recipes-qt/qt5/qtbase/0013-Check-glibc-version-for-renameat2-statx-on-non-boots.patch
+++ b/recipes-qt/qt5/qtbase/0013-Check-glibc-version-for-renameat2-statx-on-non-boots.patch
@@ -1,4 +1,4 @@
-From ebd6d61f9031fec80c7dde35819cabec727179aa Mon Sep 17 00:00:00 2001
+From 4a810779f45444d3432ce14bf24d053f5d049ca8 Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@gmail.com>
 Date: Tue, 21 Aug 2018 00:29:06 +0200
 Subject: [PATCH] Check glibc version for renameat2/statx on non bootstrapped
@@ -15,7 +15,7 @@ Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
  1 file changed, 11 insertions(+)
 
 diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp
-index b2d81066db..b90e3dc15d 100644
+index 5a5a3a82c6..e5469ff5d7 100644
 --- a/src/corelib/io/qfilesystemengine_unix.cpp
 +++ b/src/corelib/io/qfilesystemengine_unix.cpp
 @@ -93,6 +93,17 @@ extern "C" NSString *NSTemporaryDirectory();