Fix casing for HMAC-SHA1.
Fix casing for HMAC-SHA1.

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