Fix missing namespace.

AaronRobinsonMSFT · AaronRobinsonMSFT · commit df3c61914b2b · 2019-10-09T08:03:44.000-07:00
diff --git a/src/System.Private.CoreLib/src/Internal/Runtime/InteropServices/SuppressGCTransitionAttribute.cs b/src/System.Private.CoreLib/src/Internal/Runtime/InteropServices/SuppressGCTransitionAttribute.cs
@@ -2,6 +2,8 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
+using System;
+
 namespace Internal.Runtime.InteropServices
 {
     /// <summary>

Original file line number	Diff line number	Diff line change
`@@ -2,6 +2,8 @@`
`2`	`2`	`// The .NET Foundation licenses this file to you under the MIT license.`
`3`	`3`	`// See the LICENSE file in the project root for more information.`
`4`	`4`
	`5`	`+using System;`
	`6`	`+`
`5`	`7`	`namespace Internal.Runtime.InteropServices`
`6`	`8`	`{`
`7`	`9`	`/// <summary>`