Fixed SD2-691: Clearing pad contents after solution closed

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1310 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/CodeCoverage/Project/Src/CodeCoveragePad.cs

@@ -84,6 +84,7 @@ namespace ICSharpCode.CodeCoverage
 		void SolutionClosed(object sender, EventArgs e)
 		{
 			codeCoverageControl.UpdateToolbar();
+			ClearCodeCoverageResults();
 		}
 	}
 }