Fixed warning on Facebook app settings page
Fixed warning on Facebook app settings page

xebia/statusnet-oauth2,foocorp/gnu-social,faulteh/gnu-social,zcopley/StatusNet,Br3nda/laconica,faulteh/gnu-social,studio666/gnu-social,d3vgru/StatusNet,sikevux/bsk-social,shashi/StatusNet,znarf/statusnet-ladistribution,chimo/social,zh/statusnet,bankonme/gnu-social,zh/statusnet,sikevux/bsk-social,Piratas/tortuga,bankonme/gnu-social,gnusocial/mainline,charlycoste/StatusNet,minmb/statusnet,zh/statusnet,UngPirat/freesocial,xebia/statusnet-oauth2,minmb/statusnet,charnimda/lgbtpzn-social,UngPirat/freesocial,d3vgru/StatusNet,brion/StatusNet,furtherfield/gnu-social,zcopley/StatusNet,brion/StatusNet,furtherfield/gnu-social,Br3nda/laconica,zcopley/zcopleys-statusnet-clone,UngPirat/freesocial,charlycoste/StatusNet,shashi/StatusNet,eXcomm/gnu-social,zcopley/zcopleys-statusnet-clone,eXcomm/gnu-social,minmb/statusnet,brion/StatusNet,foocorp/gnu-social,meitar/laconica,zcopley/zcopleys-statusnet-clone,furtherfield/gnu-social,Piratas/tortuga,csarven/statusnet,foocorp/gnu-social,charnimda/lgbtpzn-social,chimo/social,csarven/statusnet,meitar/laconica,faulteh/gnu-social,faulteh/gnu-social,gnusocial/mainline,zcopley/StatusNet,Piratas/tortuga,sikevux/bsk-social,xebia/statusnet-oauth2,shashi/StatusNet,eXcomm/gnu-social,charnimda/lgbtpzn-social,d3vgru/StatusNet,gnusocial/mainline,meitar/laconica,bankonme/gnu-social,charlycoste/StatusNet,studio666/gnu-social,csarven/statusnet,studio666/gnu-social,znarf/statusnet-ladistribution,furtherfield/gnu-social,sikevux/bsk-social,Piratas/tortuga,studio666/gnu-social,znarf/statusnet-ladistribution,chimo/social,Br3nda/laconica,csarven/statusnet,eXcomm/gnu-social,bankonme/gnu-social,gnusocial/mainline