Fix bitmap update on Win32 (Don Ward).

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7840 221aa14e-8319-0410-a670-987f0aec2ac5

diff --git a/gr-wxgui/src/python/waterfallsink2.py b/gr-wxgui/src/python/waterfallsink2.py
index 1c5576e1a7ba8632c40718d42465db51dfc3b32b..fb91d26e0cfe7d33db83abf1f4a2cfc07ec1591c 100755 (executable)
--- a/gr-wxgui/src/python/waterfallsink2.py
+++ b/gr-wxgui/src/python/waterfallsink2.py
@@ -307,6 +307,7 @@ class waterfall_window (wx.Panel):
                dc1.SetPen(self.pens[value])
                dc1.DrawRectangle(x_pos*p_width, 0, p_width, 2) 
 
+       del dc1
         self.DoDrawing (None)
 
     def on_average(self, evt):