In drivers/pci/xen-pcifront.c the xen/xenbus.h header is included twice -
once is enough.
Signed-off-by: NJesper Juhl <jj@chaosbits.net>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>

This is a port of the 2.6.18 Xen PCI front driver with fixes
to make it build under 2.6.34 and later (for the full list of
changes: git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git
historic/xen-pcifront-0.1). It also includes the fixes
to make it work properly.

[v2: Updated Kconfig, removed crud, added Reviewed-by]
[v3: Added 'static', fixed grant table leak, redid Kconfig]
[v4: Added one more 'static' and removed comments]
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: NJan Beulich <JBeulich@novell.com>