Error when running mpd-configure

Created by: foundatron

When I run mpd-configure I get a syntax error.

Repro steps:

1. Use a fresh clone of mpd-configure
2. checkout latest commit on master ( as of writing this - SHA: c29b6755 )
3. run bash mpd-configure > ~/mpd.conf
4. See error

mpd-configure: line 398: conditional binary operator expected
mpd-configure: line 398: syntax error near `-q'
mpd-configure: line 398: `      [[ shopt -q globstar ]] && globstar_initial_on=True'

I also get this when trying use and option like LIMIT_INTERFACE_TYPE="usb" bash mpd-configure > ~/mpd.conf