updated for version 7.3.392
Problem:    When setting 'undofile' while the file is already loaded but
            unchanged, try reading the undo file. (Andy Wokula)
Solution:   Compute a checksum of the text when 'undofile' is set. (Christian
            Brabandt)
diff --git a/src/testdir/test72.ok b/src/testdir/test72.ok
index 44210c9..bb267d0 100644
--- a/src/testdir/test72.ok
+++ b/src/testdir/test72.ok
@@ -7,6 +7,16 @@
 eight
 nine
 ten
+one
+two
+three
+four
+five
+six
+seven
+eight
+nine
+ten
 monday
 wednesday
 thursday