Eigen patch for UmfpackSupport

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18a19,25
>
> inline void umfpack_defaults(double control[UMFPACK_CONTROL], double)
> { umfpack_di_defaults(control); }
>
> inline void umfpack_defaults(double control[UMFPACK_CONTROL], std::complex<double>)
> { umfpack_zi_defaults(control); }
>
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>     typedef Array<double, UMFPACK_CONTROL, 1> UmfpackControlType;
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>     /** Provides the return status code returned by UmfPack during the numeric
>      * factorization.
>      *
>      * \sa factorize(), compute()
>      */
>     inline int factorizationStatus() const
>     {
>         eigen_assert(m_numeric && "UmfPackLU: you must first call factorize()");
>         return m_fact_errorCode;
>     }
>
>     /** Provides access to the control settings array used by UmfPack.
>      *
>      * If this array contains NaN's, the default values are used.
>      */
>     inline const UmfpackControlType& control() const
>     {
>         return m_control;
>     }
>
>     /** Provides access to the control settings array used by UmfPack.
>      *
>      * If this array contains NaN's, the default values are used.
>      */
>     inline UmfpackControlType& control()
>     {
>         return m_control;
>     }
>
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<       * The given matrix must has the same sparcity than the matrix on which the pattern anylysis has been performed.
---
>       * The given matrix must has the same sparsity than the matrix on which the pattern analysis has been performed.
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>       umfpack_defaults(m_control.data(), Scalar());
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<                                    &m_symbolic, 0, 0);
---
>                                    &m_symbolic, m_control.data(), 0);
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<       int errorCode;
<       errorCode = umfpack_numeric(m_outerIndexPtr, m_innerIndexPtr, m_valuePtr,
<                                   m_symbolic, &m_numeric, 0, 0);
---
>       m_fact_errorCode = umfpack_numeric(m_outerIndexPtr, m_innerIndexPtr, m_valuePtr,
>                                          m_symbolic, &m_numeric, m_control.data(), 0);
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<       m_info = errorCode ? NumericalIssue : Success;
---
>       m_info = m_fact_errorCode == UMFPACK_OK ? Success : NumericalIssue;
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>     int m_fact_errorCode;
>     UmfpackControlType m_control;
>
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<         &x.col(j).coeffRef(0), &b.const_cast_derived().col(j).coeffRef(0), m_numeric, 0, 0);
---
>         &x.col(j).coeffRef(0), &b.const_cast_derived().col(j).coeffRef(0), m_numeric, m_control.data(), 0);