[PATCH] config-parser: Honor the XDG_CONFIG_DIRS environment variable

[Bill Spitzak]

Othman, Ossama wrote:
> Hi,
> 
> Minor correction to my previous patch.  This revision corrects a small 
> leak in config_file_path_xdg_config_dirs().

Rather than have all these functions try to open the file, why not just 
build a list of all the possible filenames and then try to open them in 
order until one works.