* remove trailing spaces [ci skip]

Author: nobu

ext/io/console/console.c

@@ -1578,12 +1578,12 @@ str_chomp(VALUE str)
  * see String#chomp!.
  *
  * You must require 'io/console' to use this method.
- * 
+ *
  *    require 'io/console'
  *    IO::console.getpass("Enter password: ")
- *    Enter password: 
+ *    Enter password:
  *    # => "mypassword"
- * 
+ *
  */
 static VALUE
 console_getpass(int argc, VALUE *argv, VALUE io)