[Xcb] Opensuse 11.2 missing xcb_xlib_lock

[Hearns, John]

One of our applications has been running just fine under Opensuse 11.1

I install a fresh copy of Opensuse 11.2, then run an online update to
get all recent patches.
The application then fails with undefined symbol: xcb_xlib_lock

/usr/lib64/libxcb-xlib.so.0 is there - just seems to be missing
xcb_xlib_lock

Has Suse missed this routine out in an updator something?

Version is 
xorg-x11-libxcb-32bit-7.4-11.1.x86_64
xorg-x11-libxcb-devel-32bit-7.4-11.1.x86_64
xorg-x11-libxcb-devel-7.4-11.1.x86_64
xorg-x11-libxcb-7.4-11.1.x86_64

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