patch 7.4.2082

Problem:    Not much test coverage for digraphs.
Solution:   Add a new style digraph test. (Christian Brabandt)

src/version.c

@@ -758,6 +758,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2082,
 /**/
     2081,
 /**/