patch 9.0.0685: FORTIFY_SOURCE causes a crash in Vim9 script

Problem:    FORTIFY_SOURCE causes a crash in Vim9 script.
Solution:   Use a pointer to the first char. (Yee Cheng Chin, closes #11302)
diff --git a/src/version.c b/src/version.c
index 953bb22..391ae4d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    685,
+/**/
     684,
 /**/
     683,