updated for version 7.4.400

Problem:    List of distributed files is incomplete.
Solution:   Add recently added files.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    400,
 /**/
     399,
 /**/