Fix layout warning

This fixes the following warning:

    QLayout: Attempting to add QLayout "" to PreviewsSettingsPage "", which already has a layout

`topLayout->addLayout(fileSizeBoxLayout)` takes ownership of
`fileSizeBoxLayout`, so there is no reason to use `this` as parent.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/settings/general/previewssettingspage.cpp b/src/settings/general/previewssettingspage.cpp
index f01d220dd..1a92cd16c 100644
--- a/src/settings/general/previewssettingspage.cpp
+++ b/src/settings/general/previewssettingspage.cpp
@@ -81,7 +81,7 @@ PreviewsSettingsPage::PreviewsSettingsPage(QWidget* parent) :
     m_remoteFileSizeBox->setSuffix(QStringLiteral(" MB"));
     m_remoteFileSizeBox->setRange(0, 9999999); /* MB */
 
-    QHBoxLayout* fileSizeBoxLayout = new QHBoxLayout(this);
+    QHBoxLayout* fileSizeBoxLayout = new QHBoxLayout();
     fileSizeBoxLayout->addWidget(remoteFileSizeLabel, 0, Qt::AlignRight);
     fileSizeBoxLayout->addWidget(m_remoteFileSizeBox);