Fix compilation with explicit QChar(*int*) ctors

The QChar ctors from integral non-char types are under
consideration for adding explicit.

Fix users of these ctors ahead of the change.

Change-Id: I2d8f5276fe448ac2a3b3332e1b3773556ef9c676
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/quickcontrols2/qquickmnemoniclabel.cpp b/src/quickcontrols2/qquickmnemoniclabel.cpp
index a006f076..193365b5 100644
--- a/src/quickcontrols2/qquickmnemoniclabel.cpp
+++ b/src/quickcontrols2/qquickmnemoniclabel.cpp
@@ -88,7 +88,7 @@ static QTextLayout::FormatRange underlineRange(int start, int length = 1)
 // based on QPlatformTheme::removeMnemonics()
 void QQuickMnemonicLabel::updateMnemonic()
 {
-    QString text(m_fullText.size(), 0);
+    QString text(m_fullText.size(), QChar::Null);
     int idx = 0;
     int pos = 0;
     int len = m_fullText.length();