THRIFT-4398 Update EXTRA_DIST for "make dist"
Client: Build process
Patch: Jens Geyer

This closes #1431
diff --git a/test/csharp/Makefile.am b/test/csharp/Makefile.am
index 7aa332c..ad166e3 100644
--- a/test/csharp/Makefile.am
+++ b/test/csharp/Makefile.am
@@ -85,3 +85,11 @@
 	MONO_PATH=$(LIBDIR) timeout 10 mono TestClientServer.exe server --port=$(TESTPORT) &
 	sleep 1
 	MONO_PATH=$(LIBDIR) mono TestClientServer.exe client --port=$(TESTPORT)
+
+EXTRA_DIST = \
+	Properties/AssemblyInfo.cs \
+	ThriftTest.csproj \
+	ThriftTest.sln \
+	Program.cs \
+	TestServer.cs \
+	TestClient.cs