Make quote_literal private.

Author: pulver

lib/rexml/parsers/xpathparser.rb

@@ -188,6 +188,7 @@ def predicate_to_string( path, &block )
         return string.squeeze(" ")
       end
 
+      private
       def quote_literal( literal )
         case literal
         when String
@@ -203,7 +204,6 @@ def quote_literal( literal )
         end
       end
 
-      private
       #LocationPath
       #  | RelativeLocationPath
       #  | '/' RelativeLocationPath?