QtCore: Use Q_NULLPTR instead of 0 in all public headers

This is in preparation of adding -Wzero-as-null-pointer-constant (or similar)
to the headers check.

Task-number: QTBUG-45291
Change-Id: I0cc388ef9faf45cbcf425ad0dc77db3060c104a8
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/corelib/io/qsettings.h b/src/corelib/io/qsettings.h
index f7a7bdbb19..8f41273ffa 100644
--- a/src/corelib/io/qsettings.h
+++ b/src/corelib/io/qsettings.h
@@ -105,13 +105,13 @@ public:
 
 #ifndef QT_NO_QOBJECT
     explicit QSettings(const QString &organization,
-                       const QString &application = QString(), QObject *parent = 0);
+                       const QString &application = QString(), QObject *parent = Q_NULLPTR);
     QSettings(Scope scope, const QString &organization,
-              const QString &application = QString(), QObject *parent = 0);
+              const QString &application = QString(), QObject *parent = Q_NULLPTR);
     QSettings(Format format, Scope scope, const QString &organization,
-              const QString &application = QString(), QObject *parent = 0);
-    QSettings(const QString &fileName, Format format, QObject *parent = 0);
-    explicit QSettings(QObject *parent = 0);
+              const QString &application = QString(), QObject *parent = Q_NULLPTR);
+    QSettings(const QString &fileName, Format format, QObject *parent = Q_NULLPTR);
+    explicit QSettings(QObject *parent = Q_NULLPTR);
 #else
     explicit QSettings(const QString &organization,
                        const QString &application = QString());