fixed issue 2413: sg_malloc in graph cut
fixed issue 2413: sg_malloc in graph cut

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