Improve guard so it works for no eof new line

compiler/typescript.vim

@@ -1,4 +1,5 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'typescript') == -1
+
 if exists('current_compiler')
   finish
 endif
@@ -20,4 +21,5 @@ endif
 let &l:makeprg = g:typescript_compiler_binary . ' ' . g:typescript_compiler_options . ' $* %'
 
 CompilerSet errorformat=%+A\ %#%f\ %#(%l\\\,%c):\ %m,%C%m
+
 endif