Pull up following revision(s) (requested by mrg in ticket #308):
	xfree/xc/programs/Xserver/dix/dispatch.c: revision 1.2
	xfree/xc/programs/Xserver/Xext/xvdisp.c: revision 1.2
	xfree/xc/programs/Xserver/include/misc.h: revision 1.2
	xfree/xc/programs/Xserver/render/render.c: revision 1.4
	xfree/xc/programs/Xserver/GL/glx/singlepixswap.c: revision 1.2
	xfree/xc/programs/Xserver/Xi/sendexev.c: revision 1.2
	xfree/xc/programs/Xserver/include/dix.h: revision 1.2
	xfree/xc/programs/Xserver/os/access.c: revision 1.7
	xfree/xc/programs/Xserver/GL/glx/glxserver.h: revision 1.2
	xfree/xc/programs/Xserver/GL/glx/rensize.c: revision 1.2
	xfree/xc/programs/Xserver/GL/glx/unpack.h: revision 1.2
	xfree/xc/programs/Xserver/GL/glx/singlepix.c: revision 1.2
	xfree/xc/programs/Xserver/Xi/chgfctl.c: revision 1.2
	xfree/xc/programs/Xserver/Xi/chgdctl.c: revision 1.2
	xfree/xc/programs/Xserver/GL/glx/glxcmds.c: revision 1.2
	xfree/xc/programs/Xserver/Xext/xcmisc.c: revision 1.3
	xfree/xc/programs/Xserver/randr/randr.c: revision 1.2
	xfree/xc/programs/Xserver/GL/glx/glxcmdsswap.c: revision 1.2
	xfree/xc/programs/Xserver/os/rpcauth.c: revision 1.2
	xfree/xc/programs/Xserver/dbe/dbe.c: revision 1.3
	xfree/xc/programs/Xserver/GL/glx/single2.c: revision 1.2
	xfree/xc/programs/Xserver/GL/glx/single2swap.c: revision 1.2
pull over from xorg-server, porting as necessary.
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apply fixes for:
X.Org Security Advisory:  Dec. 9, 2014
Protocol handling issues in X Window System servers
backported to 1.10.x by myself.
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
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apply two more parts of CVE-2014-8092:
  Missing parens in REQUEST_FIXED_SIZE macro [CVE-2014-8092 pt. 5]
  dix: GetHosts bounds check using wrong pointer value [CVE-2014-8092 pt. 6]
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