Work-around the missing XS_RESTRICT decl in xen-unstable
Work-around the missing XS_RESTRICT decl in xen-unstable

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http://xenbits.xen.org/xapi/qemu-xen-3.4.pq.hg?file/e89cb5405f51/depriv_qemu

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

xapi-project/message-switch,johnelse/forkexecd,xapi-project/message-switch,xapi-project/message-switch,djs55/forkexecd