fix memory allocation in CombinedDotFeatures
fix memory allocation in CombinedDotFeatures

shogun-toolbox/shogun,besser82/shogun,besser82/shogun,besser82/shogun,lambday/shogun,lambday/shogun,besser82/shogun,lambday/shogun,geektoni/shogun,lambday/shogun,shogun-toolbox/shogun,geektoni/shogun,lambday/shogun,besser82/shogun,geektoni/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,geektoni/shogun,besser82/shogun,lambday/shogun,geektoni/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,geektoni/shogun