xen-api-libs-transitional: correct the directory name
xen-api-libs-transitional: correct the directory name

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

simonjbeaumont/planex,djs55/planex,simonjbeaumont/planex,djs55/planex,simonjbeaumont/planex,djs55/planex