Updated plugins

sources_non_forked/syntastic/syntax_checkers/ruby/mri.vim

@@ -35,9 +35,7 @@ function! SyntaxCheckers_ruby_mri_GetHighlightRegex(i)
 endfunction
 
 function! SyntaxCheckers_ruby_mri_GetLocList() dict
-    let makeprg = self.makeprgBuild({
-        \ 'exe_before': (syntastic#util#isRunningWindows() ? '' : 'RUBYOPT='),
-        \ 'args_after': '-w -T1 -c' })
+    let makeprg = self.makeprgBuild({ 'args_after': '-w -T1 -c' })
 
     "this is a hack to filter out a repeated useless warning in rspec files
     "containing lines like
@@ -62,9 +60,12 @@ function! SyntaxCheckers_ruby_mri_GetLocList() dict
         \ '%W%f:%l: %m,'.
         \ '%-C%.%#'
 
+    let env = syntastic#util#isRunningWindows() ? {} : { 'RUBYOPT': '' }
+
     return SyntasticMake({
         \ 'makeprg': makeprg,
-        \ 'errorformat': errorformat })
+        \ 'errorformat': errorformat,
+        \ 'env': env })
 endfunction
 
 call g:SyntasticRegistry.CreateAndRegisterChecker({