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/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5,
 /**/
     4,
 /**/