Improve guard so it works for no eof new line

indent/nim.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'nim') == -1
+
 " Only load this indent file when no other was loaded.
 if exists("b:did_indent")
   finish
@@ -141,4 +142,5 @@ endfunction
 
 " vim:sw=2
 
+
 endif