DolphinView: set the parent of layout in the ctor

This silences a runtime warning:
QLayout: Attempting to add QLayout "" to DolphinView "", which already
has a layout

Remove redudant setLayout() calls, passing a parent widget to the
Q*BoxLayout ctor sets that layout as the top-level layout for that widget.

1 files changed, 2 insertions, 3 deletions

diff --git a/src/views/dolphinview.cpp b/src/views/dolphinview.cpp
index ef346b3e4..71c16bf46 100644
--- a/src/views/dolphinview.cpp
+++ b/src/views/dolphinview.cpp
@@ -140,9 +140,8 @@ DolphinView::DolphinView(const QUrl& url, QWidget* parent) :
     m_placeholderLabel->setGraphicsEffect(effect);
     // Set initial text and visibility
     updatePlaceholderLabel();
-    // Add a new layout to hold it and put it in the layout
-    auto *centeringLayout = new QVBoxLayout(this);
-    m_container->setLayout(centeringLayout);
+
+    auto *centeringLayout = new QVBoxLayout(m_container);
     centeringLayout->addWidget(m_placeholderLabel);
     centeringLayout->setAlignment(m_placeholderLabel, Qt::AlignCenter);