More nullptr usage in headers

Diff generated by running clang-tidy's modernize-use-nullptr checker on
the CMake-based Qt version.

Skipping src/3rdparty, examples/, tests/

Change-Id: Ib182074e2e2fd52f63093f73b3e2e4c0cb7af188
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/widgets/widgets/qdatetimeedit_p.h b/src/widgets/widgets/qdatetimeedit_p.h
index 1ebc98dedf..c05e7d9b48 100644
--- a/src/widgets/widgets/qdatetimeedit_p.h
+++ b/src/widgets/widgets/qdatetimeedit_p.h
@@ -123,7 +123,7 @@ public:
     static QDateTimeEdit::Sections convertSections(QDateTimeParser::Sections s);
     static QDateTimeEdit::Section convertToPublic(QDateTimeParser::Section s);
 
-    void initCalendarPopup(QCalendarWidget *cw = 0);
+    void initCalendarPopup(QCalendarWidget *cw = nullptr);
     void positionCalendarPopup();
 
     QDateTimeEdit::Sections sections;
@@ -145,7 +145,7 @@ class QCalendarPopup : public QWidget
 {
     Q_OBJECT
 public:
-    explicit QCalendarPopup(QWidget *parent = 0, QCalendarWidget *cw = 0);
+    explicit QCalendarPopup(QWidget *parent = nullptr, QCalendarWidget *cw = nullptr);
     QDate selectedDate() { return verifyCalendarInstance()->selectedDate(); }
     void setDate(const QDate &date);
     void setDateRange(const QDate &min, const QDate &max);