Permission for flood-fill code clarified

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@33966 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/imagfill.cpp

@@ -67,7 +67,10 @@ wxImageFloodFill(wxImage *image,
     /* A diamond flood-fill using a circular queue system.
     Each pixel surrounding the current pixel is added to
     the queue if it meets the criteria, then is retrieved in
-    its turn.  Code originally based on http://www.drawit.co.nz/Developers.htm */
+    its turn.  Code originally based on http://www.drawit.co.nz/Developers.htm,
+    with explicit permission to use this for wxWidgets granted by Andrew Empson
+    (no copyright claimed)
+     */
 
     int width = image->GetWidth();
     int height = image->GetHeight();