Please read the description of the xserver wrapper first.

In directory:  /usr/X11R6/bin

lrwxrwxrwx   1 root     root           15 Mar 24 21:37 X -> xserver-wrapper
-rwsr-xr-x   1 root     root         4976 Feb  4 09:18 xserver-wrapper

-r-xr-xr-x   1 root     root         6068 Nov  4 10:20 XConsole
-rwxr-xr-x   1 root     root       157272 Aug 12  1997 XF86Setup
-rwx--x--x   1 root     root      1895996 Nov  5 10:52 XF86_S3V
-rwx--x--x   1 root     root      2516780 Nov  5 10:52 XF86_SVGA
-rwx--x--x   1 root     root      1690220 Nov  5 10:52 XF86_VGA16
-rwxr-xr-x   1 root     root       101844 Jan 23 11:57 Xconfigurator
-rwxr-xr-x   1 root     root        27499 Nov  5 10:48 Xmark
-rwxr-xr-x   1 root     root      2019260 Nov  5 10:52 Xnest
-rwxr-xr-x   1 root     root      2489996 Nov  5 10:52 Xprt
-rwxr-xr-x   1 root     root      2466116 Nov  5 10:52 Xvfb


In directory:  /etc/X11

-rw-r--r--   1 root     root         6708 Jan  1 13:43 XF86Config
lrwxrwxrwx   1 root     root           23 Mar  9 21:19 X -> /usr/X11R6/bin/XF86_


XFree86 X Servers:

    8514 AGX I128 Mach32 Mach64 Mach8 Mono P9000 S3 S3V SVGA VGA16 W32


Commands:

    To fix the Link:

	cd /usr/X11R6/bin
	rm X
	ln -s xserver-wrapper X

    To fix SUID permissions:

	cd /usr/X11R6/bin
	chmod u-s X*
	chmod u+s xserver-wrapper

You can download a post-install script to fix the permissions and X link.