Update source for MPD
Update source for MPD

MPD source tarballs are no longer available on sourceforge.  This
bbappend fetches them instead from the www.musicpd.com site.

Upstream-status: fixed on master, not back-ported to dora.

allsey87/meta-bebot-temp,gumstix/meta-gumstix-extras,rghunter/meta-gumstix-extras,rghunter/meta-gumstix-extras,gumstix/meta-gumstix-extras,rghunter/meta-gumstix-extras,gumstix/meta-gumstix-extras,allsey87/meta-bebot-temp,allsey87/meta-bebot-temp