pointer analysis on locked functions

[bluhm]

This is my caller graph for sosetopt().

Caller graph:
 |- sosetopt
    |- nfssvc_addsock
       |- sys_nfssvc
    |- nfs_connect
    |- krpc_call
    |- sys_setsockopt

Lock analysis finds nothing, this is correct as nfssvc_addsock()
takes the lock.

 - locks analysis finished for sosetopt

Pointer analysis mentions sys_nfssvc(), this is not neccessary, as it was
not part of the lock analysis.

Pointers table:  {'sosetopt': [], 'sys_nfssvc': ['sysent'], 'nfssvc_addsock': []}
sys_nfssvc pointed from: ['sysent']