[Crash-utility] Update of list to accept several options -s x.a -s x.b -s x.c

[Olivier Daudel]

Hi Dave,
I hope this does not break anything.
Very usefull for me to be able to view a chosen list of fields.
Later i shall implement :
-s x.a,b,c (as a shortcut for -s x.a -s x.b -s x.c)
Olivier

[root at fedora4 crash-4.0-3.6-patch]# ./crash -s
crash> list file_lock.fl_link -s file_lock.fl_pid -s file_lock.fl_wait -H 
c036acf4
f6f795e0
  fl_pid = 2962,
  fl_wait = {
    lock = {
      slock = 1,
      magic = 3735899821,
      break_lock = 0
    },
    task_list = {
      next = 0xf6f79608,
      prev = 0xf6f79608
    }
  },
f6f79b58
  fl_pid = 2977,
  fl_wait = {
    lock = {
      slock = 1,
      magic = 3735899821,
      break_lock = 0
    },
    task_list = {
      next = 0xf6f79b80,
      prev = 0xf6f79b80
    }
  },
[...] 
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