patch 9.0.1488: xchacha20v2 crypt header is platform dependent

Problem:    xchacha20v2 crypt header is platform dependent.
Solution:   Avoid using "size_t". (Ozaki Kiichi, closses #12296)
diff --git a/src/version.c b/src/version.c
index bc271c8..99d839d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1488,
+/**/
     1487,
 /**/
     1486,