apache: add fix for CVE-2014-0117 Security Advisory

The patch comes from upstream:
http://svn.apache.org/viewvc?view=revision&revision=1610674



SECURITY (CVE-2014-0117): Fix a crash in mod_proxy.  In a reverse proxy
configuration, a remote attacker could send a carefully crafted request which
could crash a server process, resulting in denial of service.

Thanks to Marek Kroemeke working with HP's Zero Day Initiative for reporting
this issue.

Submitted by: Edward Lu, breser, covener
Signed-off-by: Zhang Xiao <xiao.zhang@windriver.com>
Signed-off-by: Kai Kang <kai.kang@windriver.com>