updated for version 7.4.222
Problem:    The Ruby directory is constructed from parts.
Solution:   Use 'rubyarchhdrdir' if it exists. (James McCoy)
diff --git a/src/version.c b/src/version.c
index 2c64b2b..3d35254 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    222,
+/**/
     221,
 /**/
     220,