patch 7.4.1805
Problem:    Running tests in shadow dir fails.
Solution:   Link the samples directory
diff --git a/src/Makefile b/src/Makefile
index 19b147c..b3b8daf 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2608,6 +2608,7 @@
 				 ../../testdir/*.py \
 				 ../../testdir/python* \
 				 ../../testdir/sautest \
+				 ../../testdir/samples \
 				 ../../testdir/test83-tags? \
 				 ../../testdir/*.ok .