File QPainter.patch of Package XyGrib

--- a/src/SkewT.h	2019-07-05 11:01:01.000000000 +0200
+++ b/src/SkewT.h	2020-07-04 13:18:05.112031191 +0200
@@ -31,6 +31,7 @@
 #include <QCheckBox>
 #include <QThread>
 #include <QMessageBox>
+#include <QPainterPath>
 
 class SkewT;