patch 8.2.3317: Vim9: No error for missing white space before return type

Problem:    Vim9: No error for missing white space before return type.
Solution:   Check for white space. (closes #8733)
diff --git a/src/version.c b/src/version.c
index 3e209fe..aacefc0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3317,
+/**/
     3316,
 /**/
     3315,