patch 8.2.2392: fennel filetype not recognized

Problem:    Fennel filetype not recognized.
Solution:   Detect with pattern and hashbang. (Chinmay Dalal, closes #7729)
diff --git a/src/version.c b/src/version.c
index 6bcd074..c5fdf85 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2392,
+/**/
     2391,
 /**/
     2390,