Add missing indentation

Discovered with gcc 6.

Change-Id: Ib5ba49df6a1f4d9574842ffe5f3e9856da0e60d0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

examples/widgets/graphicsview/diagramscene/arrow.cpp

@@ -110,12 +110,12 @@ void Arrow::paint(QPainter *painter, const QStyleOptionGraphicsItem *,
     QPointF intersectPoint;
     QLineF polyLine;
     for (int i = 1; i < endPolygon.count(); ++i) {
-    p2 = endPolygon.at(i) + myEndItem->pos();
-    polyLine = QLineF(p1, p2);
-    QLineF::IntersectType intersectType =
-        polyLine.intersect(centerLine, &intersectPoint);
-    if (intersectType == QLineF::BoundedIntersection)
-        break;
+        p2 = endPolygon.at(i) + myEndItem->pos();
+        polyLine = QLineF(p1, p2);
+        QLineF::IntersectType intersectType =
+            polyLine.intersect(centerLine, &intersectPoint);
+        if (intersectType == QLineF::BoundedIntersection)
+            break;
         p1 = p2;
     }
 
@@ -126,18 +126,18 @@ void Arrow::paint(QPainter *painter, const QStyleOptionGraphicsItem *,
     if (line().dy() >= 0)
         angle = (Pi * 2) - angle;
 
-        QPointF arrowP1 = line().p1() + QPointF(sin(angle + Pi / 3) * arrowSize,
-                                        cos(angle + Pi / 3) * arrowSize);
-        QPointF arrowP2 = line().p1() + QPointF(sin(angle + Pi - Pi / 3) * arrowSize,
-                                        cos(angle + Pi - Pi / 3) * arrowSize);
+    QPointF arrowP1 = line().p1() + QPointF(sin(angle + Pi / 3) * arrowSize,
+                                    cos(angle + Pi / 3) * arrowSize);
+    QPointF arrowP2 = line().p1() + QPointF(sin(angle + Pi - Pi / 3) * arrowSize,
+                                    cos(angle + Pi - Pi / 3) * arrowSize);
 
-        arrowHead.clear();
-        arrowHead << line().p1() << arrowP1 << arrowP2;
+    arrowHead.clear();
+    arrowHead << line().p1() << arrowP1 << arrowP2;
 //! [6] //! [7]
-        painter->drawLine(line());
-        painter->drawPolygon(arrowHead);
-        if (isSelected()) {
-            painter->setPen(QPen(myColor, 1, Qt::DashLine));
+    painter->drawLine(line());
+    painter->drawPolygon(arrowHead);
+    if (isSelected()) {
+        painter->setPen(QPen(myColor, 1, Qt::DashLine));
         QLineF myLine = line();
         myLine.translate(0, 4.0);
         painter->drawLine(myLine);