Made sure that the file bar_trivial.stdout.exp gets included in the distribution tarball.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8883 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/tests/Makefile.am b/drd/tests/Makefile.am
index 1858ade..36edbcb 100644
--- a/drd/tests/Makefile.am
+++ b/drd/tests/Makefile.am
@@ -22,6 +22,7 @@
 	atomic_var.vgtest			    \
 	bar_bad.stderr.exp			    \
 	bar_bad.vgtest				    \
+	bar_trivial.stdout.exp			    \
 	bar_trivial.stderr.exp			    \
 	bar_trivial.vgtest			    \
 	boost_thread.stderr.exp			    \