please give back graphicsmagick on ppc64el

[Fernando Seiti Furusato <ferseiti@linux.vnet.ibm.com>]

Hello.

I have just tried it with sbuild in a vm.
It seems to be building successfully.

Could you please give back graphicsmagick on ppc64el?

  gb graphicsmagick_1.3.24+hg20160808-1 . ppc64el

Thanks!

--
Fernando Seiti Furusato
IBM Linux Technology Center