Eina: append and prepend __ to gcc attributes
Eina: append and prepend __ to gcc attributes

Avoid conflicts with macros that have been previously defined
with the same name than the attribute


git-svn-id: a6113611d365f0fc061992be0d1d0b451b434026@67701 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

jordemort/eina,jordemort/eina,jordemort/eina