fix deprecated warning void QGraphicsView::resetMatrix()

Use resetTransform() instead

This class was introduced in Qt 4.2.

+ indentation warning
of "resetSceneRect();"

sources/diagramview.cpp

@@ -332,7 +332,7 @@ void DiagramView::zoomContent() {
 	Reinitialise le zoom
 */
 void DiagramView::zoomReset() {
-	resetMatrix();
+	resetTransform();
 	adjustGridToZoom();
 }
 

sources/editor/elementview.cpp

@@ -139,7 +139,7 @@ void ElementView::zoomFit() {
 */
 void ElementView::zoomReset() {
 	resetSceneRect();
-	resetMatrix();
+	resetTransform();
 	scale(4.0, 4.0);
 }
 

sources/titleblock/templateview.cpp

@@ -127,7 +127,7 @@ void TitleBlockTemplateView::zoomFit() {
 */
 void TitleBlockTemplateView::zoomReset() {
 	adjustSceneRect();
-	resetMatrix();
+	resetTransform();
 }
 
 /**