patch 8.2.4999: filetype test table is not properly sorted

Problem:    Filetype test table is not properly sorted.
Solution:   Sort by filetype. (Doug Kearns)
diff --git a/src/version.c b/src/version.c
index b18d0a5..17a8787 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4999,
+/**/
     4998,
 /**/
     4997,