HICON should be destroyed by DestroyIcon

fix GDI object leaks at least on Win 8.1 x64

Task-number: QTBUG-40996
Change-Id: I9314486ab498a3f74c22deb6ca874ea6adc2e36c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/winextras/qwintaskbarbutton.cpp b/src/winextras/qwintaskbarbutton.cpp
index edf3acc..8b9f7a7 100644
--- a/src/winextras/qwintaskbarbutton.cpp
+++ b/src/winextras/qwintaskbarbutton.cpp
@@ -137,7 +137,7 @@ void QWinTaskbarButtonPrivate::updateOverlayIcon()
         pTbList->SetOverlayIcon(handle(), NULL, descrPtr);
 
     if (hicon)
-        DeleteObject(hicon);
+        DestroyIcon(hicon);
     if (descrPtr)
         delete[] descrPtr;
 }