Include port number in Host header if present.
Include port number in Host header if present.

* outgoing.c
  (serf_request_bucket_request_create): Use hostinfo member of apr_uri_t 
   instead of hostname to include server port number.

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