Eina: Windows fixes
Eina: Windows fixes

add eina_file_path_sanitize() which was missing in the windows port
add locks
synchronize a bit with the linux version


git-svn-id: a6113611d365f0fc061992be0d1d0b451b434026@67422 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

jordemort/eina,jordemort/eina,jordemort/eina