[arch-general] Updated PKGBUILD for gmpc

[Allan McRae]

slubman wrote:
> As stated in the thread on outdated PKGBUILD, this is an email with an
> updated PKGBUILD for gmpc which is 2 releases behind the current one
> available on the project site.
>   

For any dev looking to build this for the repos, it requires a libmpd 
update which has a soname bump also requiring xfce4-mpc-plugin to be 
rebuilt.

Allan