patch 8.0.0469: compiler warnings on MS-Windows

Problem:    Compiler warnings on MS-Windows.
Solution:   Add type casts. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index e235fb8..bc85006 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    469,
+/**/
     468,
 /**/
     467,