QtGui: Use Q_NULLPTR instead of 0 in all public headers

This is in preparation of adding -Wzero-as-null-pointer-constant (or similar)
to the headers check.

Task-number: QTBUG-45291
Change-Id: I72ab40b21a9499b53a639564fa45884de17b6c98
Reviewed-by: Thiago Macieira <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/opengl/qopenglbuffer.h b/src/gui/opengl/qopenglbuffer.h
index 847c1efaa03..ca3d85d8e00 100644
--- a/src/gui/opengl/qopenglbuffer.h
+++ b/src/gui/opengl/qopenglbuffer.h
@@ -118,7 +118,7 @@ public:
     void write(int offset, const void *data, int count);
 
     void allocate(const void *data, int count);
-    inline void allocate(int count) { allocate(0, count); }
+    inline void allocate(int count) { allocate(Q_NULLPTR, count); }
 
     void *map(QOpenGLBuffer::Access access);
     void *mapRange(int offset, int count, QOpenGLBuffer::RangeAccessFlags access);