Fix reference to undefined variable in Design::toWebColor.
Fix reference to undefined variable in Design::toWebColor.

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