patch 8.0.1047: buffer overflow in Ruby

Problem:    Buffer overflow in Ruby.
Solution:   Allocate one more byte. (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index a57e11f..2034504 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1047,
+/**/
     1046,
 /**/
     1045,