Commit 19bd133562 is to fix the incorrect SizeofHeaders
returned from HttpTcpReceiveHeader(). But it missed the "\r\n\r\n" calculation, which
will cause the later HttpHeaders parsing failure.
This patch is fix the above issue.
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>