C#: Fix enum semicolon printing

Author: jkschneider

rewrite-csharp/csharp/OpenRewrite/CSharp/CSharpParser.cs

@@ -750,10 +750,19 @@ public override J VisitEnumDeclaration(EnumDeclarationSyntax node)
 
         _cursor = node.CloseBraceToken.Span.End;
 
+        // Handle trailing semicolon (e.g., `enum Color { ... };`)
+        var enumMarkers = Markers.Empty;
+        if (node.SemicolonToken.Span.Length > 0)
+        {
+            SkipTo(node.SemicolonToken.SpanStart);
+            SkipToken(node.SemicolonToken);
+            enumMarkers = Markers.Build([new Semicolon(Guid.NewGuid())]);
+        }
+
         return new EnumDeclaration(
             Guid.NewGuid(),
             prefix,
-            Markers.Empty,
+            enumMarkers,
             attributeLists.Count > 0 ? attributeLists : null,
             modifiers,
             new JLeftPadded<Identifier>(enumPrefix, name),

rewrite-csharp/csharp/OpenRewrite/CSharp/CSharpPrinter.cs

@@ -92,6 +92,11 @@ protected void PrintStatementTerminator(Statement statement, PrintOutputCapture<
                 p.Append(';');
                 break;
 
+            // EnumDeclaration: trailing semicolon after closing brace (enum Color { ... };)
+            case EnumDeclaration ed when ed.Markers.FindFirst<Semicolon>() != null:
+                p.Append(';');
+                break;
+
             // PropertyDeclaration ends with ';' when it has expression body or initializer
             case PropertyDeclaration pd when pd.ExpressionBody != null || pd.Initializer != null:
                 p.Append(';');