Fix the function solve_l2r_lr_dual failed, when set bias is true.
Fix the function solve_l2r_lr_dual failed, when set bias is true.

Saurabh7/shogun,besser82/shogun,geektoni/shogun,geektoni/shogun,sorig/shogun,besser82/shogun,Saurabh7/shogun,lambday/shogun,karlnapf/shogun,shogun-toolbox/shogun,lisitsyn/shogun,sorig/shogun,lambday/shogun,Saurabh7/shogun,sorig/shogun,karlnapf/shogun,lisitsyn/shogun,lambday/shogun,Saurabh7/shogun,lambday/shogun,lisitsyn/shogun,karlnapf/shogun,shogun-toolbox/shogun,Saurabh7/shogun,lisitsyn/shogun,Saurabh7/shogun,besser82/shogun,lambday/shogun,sorig/shogun,sorig/shogun,besser82/shogun,karlnapf/shogun,karlnapf/shogun,lambday/shogun,shogun-toolbox/shogun,besser82/shogun,besser82/shogun,shogun-toolbox/shogun,Saurabh7/shogun,sorig/shogun,shogun-toolbox/shogun,Saurabh7/shogun,lisitsyn/shogun,Saurabh7/shogun,karlnapf/shogun,geektoni/shogun,geektoni/shogun,shogun-toolbox/shogun,geektoni/shogun,lisitsyn/shogun,geektoni/shogun