patch 8.2.2642: Vim9: no clear error for wrong inline function

Problem:    Vim9: no clear error for wrong inline function.
Solution:   Check for something following the "{".
diff --git a/src/version.c b/src/version.c
index 3a5365a..fbe38b8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2642,
+/**/
     2641,
 /**/
     2640,