patch 8.0.1282: script-local variable defined in the wrong script

Problem:    script-local variable defined in the wrong script
Solution:   Move variable to autoload/filetype.vim.
diff --git a/src/version.c b/src/version.c
index e48da73..b2a3ce4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1282,
+/**/
     1281,
 /**/
     1280,