updated for version 7.3.005

Problem:    Crash when using undotree(). (Christian Brabandt)
Solution:   Increase the list reference count.  Add a test for undotree()
            (Lech Lorens)

src/testdir/Makefile

@@ -44,7 +44,7 @@ report:
 $(SCRIPTS) $(SCRIPTS_GUI): $(VIMPROG)
 
 clean:
-	-rm -rf *.out *.failed *.rej *.orig test.log tiny.vim small.vim mbyte.vim mzscheme.vim test.ok X* valgrind.pid* viminfo
+	-rm -rf *.out *.failed *.rej *.orig test.log tiny.vim small.vim mbyte.vim mzscheme.vim test.ok X* valgrind.* viminfo
 
 test1.out: test1.in
 	-rm -f $*.failed tiny.vim small.vim mbyte.vim mzscheme.vim test.ok X* viminfo

src/testdir/test61.in

@@ -3,6 +3,10 @@ Since this script is sourced we need to explicitly break changes up in
 undo-able pieces.  Do that by setting 'undolevels'.
 Also tests :earlier and :later.
 
+STARTTEST
+:echo undotree().entries
+ENDTEST
+
 STARTTEST
 :" Delete three characters and undo
 Gx:set ul=100