[longomatch] Reset operator after clearing

[Andoni Morales Alastruey <amorales src gnome org>]

commit d27ab9dbb116a000fcf350386c113578d1032b22
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Mon Jun 30 18:49:18 2014 +0200

    Reset operator after clearing

 LongoMatch.Drawing.Cairo/CairoBackend.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch.Drawing.Cairo/CairoBackend.cs b/LongoMatch.Drawing.Cairo/CairoBackend.cs
index 146f42a..d1ffa93 100644
--- a/LongoMatch.Drawing.Cairo/CairoBackend.cs
+++ b/LongoMatch.Drawing.Cairo/CairoBackend.cs
@@ -137,6 +137,7 @@ namespace LongoMatch.Drawing.Cairo
                        SetColor (color);
                        CContext.Operator = Operator.Source;
                        CContext.Paint ();
+                       CContext.Operator = Operator.Over;
                }
                
                public void Begin() {