fix building under mingw-w64

(cherry picked from commit cef473ee9ba09de06f162836b850a9aae51462e8)

diff --git a/qtmmlwidget/qtmmlwidget.cpp b/qtmmlwidget/qtmmlwidget.cpp
index 2933c7d8ad9e38e32367981fdbf103e5606de9ca..d97117eadcbd2b46ff8c9b1a1e829b54fdaa4e06 100644 (file)
--- a/qtmmlwidget/qtmmlwidget.cpp
+++ b/qtmmlwidget/qtmmlwidget.cpp
@@ -3625,7 +3625,7 @@ QString MmlNode::toStr() const
 
     return QString("%1 %2 mr=%3 pr=%4 dr=%5 ro=(%7, %8) str=%9")
                .arg(spec->type_str)
-               .arg((unsigned long)this, 0, 16)
+               .arg((quintptr)this, 0, 16)
                .arg(rectToStr(myRect()))
                .arg(rectToStr(parentRect()))
                .arg(rectToStr(deviceRect()))