Improve guard so it works for no eof new line

syntax/tt2html.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'perl') == -1
+
 " Language:      TT2 embedded with HTML
 " Maintainer:    vim-perl <vim-perl@googlegroups.com>
 " Author:        Moriki, Atsushi <4woods+vim@gmail.com>
@@ -19,4 +20,5 @@ unlet b:current_syntax
 syn cluster htmlPreProc add=@tt2_top_cluster
 
 let b:current_syntax = "tt2html"
+
 endif