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>

2 files changed, 6 insertions, 6 deletions

diff --git a/src/corelib/plugin/qlibrary.h b/src/corelib/plugin/qlibrary.h
index 16bdf79206..77ad107c6f 100644
--- a/src/corelib/plugin/qlibrary.h
+++ b/src/corelib/plugin/qlibrary.h
@@ -59,10 +59,10 @@ public:
     Q_FLAG(LoadHint)
     Q_FLAG(LoadHints)
 
-    explicit QLibrary(QObject *parent = 0);
-    explicit QLibrary(const QString& fileName, QObject *parent = 0);
-    explicit QLibrary(const QString& fileName, int verNum, QObject *parent = 0);
-    explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = 0);
+    explicit QLibrary(QObject *parent = Q_NULLPTR);
+    explicit QLibrary(const QString& fileName, QObject *parent = Q_NULLPTR);
+    explicit QLibrary(const QString& fileName, int verNum, QObject *parent = Q_NULLPTR);
+    explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = Q_NULLPTR);
     ~QLibrary();
 
     QFunctionPointer resolve(const char *symbol);
diff --git a/src/corelib/plugin/qpluginloader.h b/src/corelib/plugin/qpluginloader.h
index b947e6ed9e..0ab25bbb07 100644
--- a/src/corelib/plugin/qpluginloader.h
+++ b/src/corelib/plugin/qpluginloader.h
@@ -50,8 +50,8 @@ class Q_CORE_EXPORT QPluginLoader : public QObject
     Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
     Q_PROPERTY(QLibrary::LoadHints loadHints READ loadHints WRITE setLoadHints)
 public:
-    explicit QPluginLoader(QObject *parent = 0);
-    explicit QPluginLoader(const QString &fileName, QObject *parent = 0);
+    explicit QPluginLoader(QObject *parent = Q_NULLPTR);
+    explicit QPluginLoader(const QString &fileName, QObject *parent = Q_NULLPTR);
     ~QPluginLoader();
 
     QObject *instance();