updated for version 7.4.222

Problem:    The Ruby directory is constructed from parts.
Solution:   Use 'rubyarchhdrdir' if it exists. (James McCoy)

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    222,
 /**/
     221,
 /**/