Fixed assertion when typing a "RaiseEvent" statement (http://community.sharpdevelop.net/forums/1156/ShowPost.aspx)

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@544 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/NRefactory/Project/Src/Parser/AST/VBNet/Statements/RaiseEventStatement.cs

@@ -40,8 +40,7 @@ namespace ICSharpCode.NRefactory.Parser.AST
 		{
 			Debug.Assert(eventName != null);
 			this.eventName = eventName;
-			Debug.Assert(parameters != null);
-			this.arguments = parameters;
+			this.arguments = parameters ?? new ArrayList();
 		}
 		
 		public override object AcceptVisitor(IASTVisitor visitor, object data)