Move the xml test data to their own directory.
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 2247a56..d2fb4be 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -833,7 +833,7 @@
 	plat-mac/lib-scriptpackages/Terminal 
 PLATMACPATH=:plat-mac:plat-mac/lib-scriptpackages
 LIBSUBDIRS=	lib-tk site-packages test test/output test/data \
-		test/decimaltestdata \
+		test/decimaltestdata test/xmltestdata \
 		encodings compiler hotshot \
 		email email/mime email/test email/test/data \
 		json json/tests \