QEvent (and subclasses): make ctors explicit

Do this regardless of whether the event subclass
is public API or only used in examples. Examples
are examples, used by others as templates or even
copied verbatim, so they should also follow sound
engineering rules.

Anyway, there's only one in examples/...

Change-Id: I586ff16407a956c9e89288fdd4377eed73f45c0f
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/kernel/qeventdispatcher_win_p.h b/src/corelib/kernel/qeventdispatcher_win_p.h
index a831ad39e8..565f1ef4b3 100644
--- a/src/corelib/kernel/qeventdispatcher_win_p.h
+++ b/src/corelib/kernel/qeventdispatcher_win_p.h
@@ -131,7 +131,7 @@ struct WinTimerInfo {                           // internal timer info
 class QZeroTimerEvent : public QTimerEvent
 {
 public:
-    inline QZeroTimerEvent(int timerId)
+    explicit inline QZeroTimerEvent(int timerId)
         : QTimerEvent(timerId)
     { t = QEvent::ZeroTimerEvent; }
 };