Fixed decompilation of "catch{}" blocks (catch without exception type)

ICSharpCode.Decompiler/Ast/AstMethodBodyBuilder.cs

@@ -160,6 +160,11 @@ namespace ICSharpCode.Decompiler.Ast
 				var tryCatchStmt = new Ast.TryCatchStatement();
 				tryCatchStmt.TryBlock = TransformBlock(tryCatchNode.TryBlock);
 				foreach (var catchClause in tryCatchNode.CatchBlocks) {
+					if (catchClause.ExceptionVariable == null 
+					    && (catchClause.ExceptionType == null || catchClause.ExceptionType.MetadataType == MetadataType.Object))
+					{
+						tryCatchStmt.CatchClauses.Add(new Ast.CatchClause { Body = TransformBlock(catchClause) });
+					} else {
 						tryCatchStmt.CatchClauses.Add(
 							new Ast.CatchClause {
 								Type = AstBuilder.ConvertType(catchClause.ExceptionType),
@@ -167,6 +172,7 @@ namespace ICSharpCode.Decompiler.Ast
 								Body = TransformBlock(catchClause)
 							});
 					}
+				}
 				if (tryCatchNode.FinallyBlock != null)
 					tryCatchStmt.FinallyBlock = TransformBlock(tryCatchNode.FinallyBlock);
 				if (tryCatchNode.FaultBlock != null) {