updated for version 7.4.075

Problem:    Locally setting 'undolevels' is not tested.
Solution:   Add a test. (Christian Brabandt)

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    75,
 /**/
     74,
 /**/