DolphinView: store new zoom level in a variable after setZoomLevel()

zoomLevel() called twice returns the same value to static analysis.

Found with cppcheck

1 files changed, 3 insertions, 2 deletions

diff --git a/src/views/dolphinview.cpp b/src/views/dolphinview.cpp
index 3c973618c..4747b5ecc 100644
--- a/src/views/dolphinview.cpp
+++ b/src/views/dolphinview.cpp
@@ -504,12 +504,13 @@ void DolphinView::setZoomLevel(int level)
 
     const int oldZoomLevel = zoomLevel();
     m_view->setZoomLevel(level);
-    if (zoomLevel() != oldZoomLevel) {
+    const int newZoomLevel = zoomLevel();
+    if (newZoomLevel != oldZoomLevel) {
         ViewProperties props(viewPropertiesUrl());
         props.setZoomLevel(level == m_defaultZoomLevel ? -1 : level);
 
         hideToolTip();
-        Q_EMIT zoomLevelChanged(zoomLevel(), oldZoomLevel);
+        Q_EMIT zoomLevelChanged(newZoomLevel, oldZoomLevel);
     }
 }