Conf: #1060 Get configurable schemes_web

Permit opening file with name "ssh: name with spaces.md"

syntax/vimwiki_markdown_custom.vim

@@ -105,8 +105,8 @@ call s:add_target_syntax_ON(vimwiki#vars#get_syntaxlocal('rxImage'), 'VimwikiIma
 " WikiLink
 " All remaining schemes are highlighted automatically
 let s:rxSchemes = '\%('.
-      \ vimwiki#vars#get_global('schemes') . '\|'.
-      \ vimwiki#vars#get_global('web_schemes1').
+      \ vimwiki#vars#get_global('schemes_local') . '\|'.
+      \ vimwiki#vars#get_global('schemes_web').
       \ '\):'
 
 " a) match [nonwiki-scheme-URL]