patch 8.2.2315: Vim9: "enddef" as dict key misintepreted as function end

Problem:    Vim9: "enddef" as dict key misintepreted as function end.
Solution:   Check for following colon. (closes #7640)
diff --git a/src/version.c b/src/version.c
index 7ab3b01..1078665 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2315,
+/**/
     2314,
 /**/
     2313,