Improve guard so it works for no eof new line

indent/tsx.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'typescript') == -1
+
 " Save the current JavaScript indentexpr.
 let b:tsx_ts_indentexpr = &indentexpr
 
@@ -109,4 +110,5 @@ fu! GetTsxIndent()
 
   return ind
 endfu
+
 endif