qwt: fix build w/ qt5-5.15.0

srcpkgs/qwt/patches/qt5-5.15.0.patch

@@ -0,0 +1,58 @@
+Source: @pullmoll
+Upstream: no
+Reason: qt5-5.15.0 requires explicit include for QPainterPath
+
+--- src/qwt_painter.h	2019-01-02 17:21:30.232435482 +0100
++++ src/qwt_painter.h	2020-07-14 16:47:54.577577031 +0200
+@@ -17,6 +17,7 @@
+ #include <qpen.h>
+ #include <qline.h>
+ #include <qpalette.h>
++#include <qpainterpath.h>
+ 
+ class QPainter;
+ class QBrush;
+@@ -31,7 +32,6 @@
+ class QwtInterval;
+ 
+ class QTextDocument;
+-class QPainterPath;
+ 
+ /*!
+   \brief A collection of QPainter workarounds
+--- src/qwt_null_paintdevice.cpp	2019-01-02 17:21:31.296461212 +0100
++++ src/qwt_null_paintdevice.cpp	2020-07-14 16:49:13.479579545 +0200
+@@ -9,6 +9,7 @@
+ 
+ #include "qwt_null_paintdevice.h"
+ #include <qpaintengine.h>
++#include <qpainterpath.h>
+ #include <qpixmap.h>
+ 
+ class QwtNullPaintDevice::PrivateData
+--- src/qwt_painter_command.h	2019-01-02 17:21:30.320437610 +0100
++++ src/qwt_painter_command.h	2020-07-14 16:50:38.501582253 +0200
+@@ -12,12 +12,11 @@
+ 
+ #include "qwt_global.h"
+ #include <qpaintengine.h>
++#include <qpainterpath.h>
+ #include <qpixmap.h>
+ #include <qimage.h>
+ #include <qpolygon.h>
+ 
+-class QPainterPath;
+-
+ /*!
+   QwtPainterCommand represents the attributes of a paint operation
+   how it is used between QPainter and QPaintDevice
+--- src/qwt_plot_glcanvas.h	2019-01-02 17:21:30.204434804 +0100
++++ src/qwt_plot_glcanvas.h	2020-07-14 16:52:54.074586572 +0200
+@@ -13,6 +13,7 @@
+ #include "qwt_global.h"
+ #include <qframe.h>
+ #include <qgl.h>
++#include <qpainterpath.h>
+ 
+ class QwtPlot;
+