Fix build failure caused by #1267.

diff --git a/mcs/class/System/System_test.dll.sources b/mcs/class/System/System_test.dll.sources
index e47a4c9821444cd65330f233d89f9bf7dd28d2f9..6ff1a9488a353f1e50733f94204da4b360a64e8f 100644 (file)
--- a/mcs/class/System/System_test.dll.sources
+++ b/mcs/class/System/System_test.dll.sources
@@ -182,6 +182,7 @@ System.Diagnostics/DelimitedListTraceListenerTest.cs
 System.Diagnostics/EventLogTest.cs
 System.Diagnostics/StopwatchTest.cs
 System.Diagnostics/SourceSwitchTest.cs
+System.Diagnostics/TextWriterTraceListenerHelper.cs
 System.Diagnostics/TextWriterTraceListenerTest.cs
 System.Diagnostics/TraceSourceTest.cs
 System.Diagnostics/TraceListenerTest.cs