9913f8e fence_lpar: option -x for ssh was required

Authored and Committed by marx 14 years ago
    fence_lpar: option -x for ssh was required
    
    Option -x is no longer required for LPAR. It is turned on automatically. This
    should not change behaviour of fence agent as -x was required before and no
    other access to LPAR/HMC is supported.