QPointF.center requires Qt 5.8 so we are going for the simpler version to make...

QPointF.center requires Qt 5.8 so we are going for the simpler version to make this compile on 16.04

kstars/ekos/ekoslive/media.cpp

@@ -182,7 +182,7 @@ void Media::sendUpdatedFrame(FITSView *view)
     QPixmap displayPixmap = view->getDisplayPixmap();
     if (correctionVector.isNull() == false)
     {
-        QPointF center = correctionVector.center();
+        QPointF center = 0.5 * correctionVector.p1() + 0.5 * correctionVector.p2();
         double length = correctionVector.length();
         if (length < 100)
             length = 100;