Improve cleanup of test directory upon 'make clean'.
diff --git a/makefile b/makefile
index 0ab46cb..9d55729 100644
--- a/makefile
+++ b/makefile
@@ -114,6 +114,5 @@
 # This is a bit of a band-aid until we can invest some more time
 # in the test suite.
 testclean:
-	cd testdir; rm -fr arnold-fixes beebe echo foo foo.td foo1 \
-		foo1t foo2 foo2t footot glop glop1 glop2 lilly.diff \
-		tempbig tempsmall time
+	cd testdir; rm -fr arnold-fixes beebe echo foo* \
+		glop glop1 glop2 lilly.diff tempbig tempsmall time