Follow-up to r2178: Type correctness fix.
Follow-up to r2178: Type correctness fix.

* buckets/response_buckets.c
  (run_machine): Pass NULL as data and 0 as length to   
   serf_bucket_simple_create() call.

zhupan/serf,lazysoez/serf,x-clone/serf,x-clone/serf,zhupan/serf,google-code-export/serf,zhengcq315/serf,KyleSanderson/serf,yesoce/serf,pengdu/serf,SirJson/serf,zhengcq315/serf,zhengcq315/serf,lazysoez/serf,soufianeEL/serf,yesoce/serf,alex1818/serf,alex1818/serf,google-code-export/serf,soufianeEL/serf,KyleSanderson/serf,x-clone/serf,stoneCC/serf,lazysoez/serf,SirJson/serf,stoneCC/serf,zhupan/serf,zhengcq315/serf,google-code-export/serf,pengdu/serf,x-clone/serf,google-code-export/serf,KyleSanderson/serf,pengdu/serf,alex1818/serf,KyleSanderson/serf,stoneCC/serf,SirJson/serf,yesoce/serf,pengdu/serf,zhupan/serf,stoneCC/serf,soufianeEL/serf,soufianeEL/serf,yesoce/serf,lazysoez/serf,alex1818/serf,SirJson/serf