Improve guard so it works for no eof new line

syntax/javascript/html5.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'html5') == -1
+
 " Vim syntax file
 " Language:	    HTML5 New Stuff
 " Maintainer:	othree <othree@gmail.com>
@@ -48,4 +49,5 @@ syn keyword javascriptDomElemAttrs indeterminate
 
 " select https://w3c.github.io/selection-api/#extensions-to-globaleventhandlers
 syn keyword javascriptDomElemAttrs onselectstart onselectchange
+
 endif