patch 8.0.1047: buffer overflow in Ruby

Problem:    Buffer overflow in Ruby.
Solution:   Allocate one more byte. (Dominique Pelle)

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1047,
 /**/
     1046,
 /**/