Apply patch (requested by mrg in ticket #308):
apply fixes for X.Org Security Advisory:  Dec. 9, 2014
Protocol handling issues in X Window System servers

included are fixes for:

denial of service due to unchecked malloc in client authentication
       CVE-2014-8091
integer overflows calculating memory needs for requests
       CVE-2014-8092
       CVE-2014-8093
       CVE-2014-8094
out of bounds access due to not validating length or offset values in requests
       CVE-2014-8095
       CVE-2014-8096
       CVE-2014-8097
       CVE-2014-8098
       CVE-2014-8099
       CVE-2014-8100
       CVE-2014-8101
       CVE-2014-8102
       CVE-2014-8103