Updated plugins

sources_non_forked/syntastic/syntax_checkers/ruby/macruby.vim

@@ -18,9 +18,7 @@ let s:save_cpo = &cpo
 set cpo&vim
 
 function! SyntaxCheckers_ruby_macruby_GetLocList() dict
-    let makeprg = self.makeprgBuild({
-        \ 'exe_before': 'RUBYOPT=',
-        \ 'args_after': '-W1 -c' })
+    let makeprg = self.makeprgBuild({ 'args_after': '-W1 -c' })
 
     let errorformat =
         \ '%-GSyntax OK,'.
@@ -31,9 +29,12 @@ function! SyntaxCheckers_ruby_macruby_GetLocList() dict
         \ '%W%f:%l: %m,'.
         \ '%-C%.%#'
 
+    let env = { 'RUBYOPT': '' }
+
     return SyntasticMake({
         \ 'makeprg': makeprg,
-        \ 'errorformat': errorformat })
+        \ 'errorformat': errorformat,
+        \ 'env': env })
 endfunction
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({