Make public headers compile with -Wzero-as-null-pointer-constant

... or equivalent.

QtBase 5.6 headers already compile that way, so let the other
modules follow suit.

Required to change one misuse of reinterpret_cast into static_cast.

Task-number: QTBUG-45291
Change-Id: I8212182c7cd87302aeb16b0cca7e6b0e3ef6c0c6
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/systeminfo/qdeviceinfo.h b/src/systeminfo/qdeviceinfo.h
index 2b860c47..b6f8df0d 100644
--- a/src/systeminfo/qdeviceinfo.h
+++ b/src/systeminfo/qdeviceinfo.h
@@ -101,7 +101,7 @@ public:
         Firmware
     };
 
-    QDeviceInfo(QObject *parent = 0);
+    QDeviceInfo(QObject *parent = Q_NULLPTR);
     virtual ~QDeviceInfo();
 
     QDeviceInfo::LockTypeFlags activatedLocks() const;