Fixed bug that caused the 'cyclic dependency between projects' error not to be shown.

src/Main/Base/Project/Src/Project/BuildEngine.cs

@@ -188,10 +188,17 @@ namespace ICSharpCode.SharpDevelop.Project
 			try {
 				engine.rootNode = engine.CreateBuildGraph(project);
 			} catch (CyclicDependencyException ex) {
+				BuildError error;
 				if (ex.Project1 != null && ex.Project2 != null)
-					engine.results.Add(new BuildError(null, "Cyclic dependency between " + ex.Project1.Name + " and " + ex.Project2.Name));
+					error = new BuildError(null, "Cyclic dependency between " + ex.Project1.Name + " and " + ex.Project2.Name);
 				else
-					engine.results.Add(new BuildError(null, "Cyclic dependency"));
+					error = new BuildError(null, "Cyclic dependency");
+				engine.results.Add(error);
+				if (engine.combinedBuildFeedbackSink != null) {
+					engine.combinedBuildFeedbackSink.ReportError(error);
+					engine.combinedBuildFeedbackSink.ReportMessage(error.ToString());
+				}
+				
 				engine.results.Result = BuildResultCode.BuildFileError;
 				engine.ReportDone();
 				return;