Change the string format

Author: yutingc

Rules/AvoidUsingDeprecatedManifestFields.cs

@@ -60,7 +60,7 @@ public IEnumerable<DiagnosticRecord> AnalyzeScript(Ast ast, string fileName)
                 {
                     foreach (var warning in result)
                     {
-                       yield return new DiagnosticRecord(String.Format((CultureInfo.CurrentCulture, warning.BaseObject.ToString()), ast.Extent, GetName(), DiagnosticSeverity.Warning, fileName);
+                       yield return new DiagnosticRecord(String.Format(CultureInfo.CurrentCulture, warning.BaseObject.ToString()), ast.Extent, GetName(), DiagnosticSeverity.Warning, fileName);
                     }
                 }