Updated vim plugins

sources_non_forked/vim-go/autoload/go/guru_test.vim

@@ -1,3 +1,7 @@
+" don't spam the user when Vim is started in Vi compatibility mode
+let s:cpo_save = &cpo
+set cpo&vim
+
 function Test_GuruScope_Set() abort
   silent call go#guru#Scope("example.com/foo/bar")
   let actual = go#config#GuruScope()
@@ -12,4 +16,8 @@ function Test_GuruScope_Set() abort
   endif
 endfunction
 
+" restore Vi compatibility settings
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
 " vim: sw=2 ts=2 et