Fix compile error in twonorm() when lapack is not available
Fix compile error in twonorm() when lapack is not available

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