add back in libs.private/requires to pc files with some fixes for missing.
add back in libs.private/requires to pc files with some fixes for
missing.



git-svn-id: a6113611d365f0fc061992be0d1d0b451b434026@69482 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

jordemort/eina,jordemort/eina,jordemort/eina