chatterino2: add patch for qt5.14

srcpkgs/chatterino2/patches/0002-qt5.14.patch

@@ -0,0 +1,24 @@
+From 033c97e85dbaeda687253dc5b9e3008fd50f057a Mon Sep 17 00:00:00 2001
+From: fourtf <tf.four@gmail.com>
+Date: Thu, 3 Oct 2019 10:07:14 +0200
+Subject: [PATCH] disabled hash<QString> for Qt 5.14
+
+---
+ src/util/QStringHash.hpp | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- src/util/qstringhash.hpp	2018-06-25 12:52:07.000000000 +0200
++++ -	2019-11-16 14:08:54.342448158 +0100
+@@ -3,6 +3,7 @@
+ #include <QHash>
+ #include <QString>
+ 
++#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+ namespace std {
+ template <>
+ struct hash<QString> {
+@@ -12,3 +13,4 @@
+     }
+ };
+ }  // namespace std
++#endif