updated for version 7.3.679

Problem:    Ruby detection uses Config, newer Ruby versions use RbConfig.
Solution:   Detect the need to use RbConfig. (Vit Ondruch)

src/version.c

@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    679,
 /**/
     678,
 /**/