xinput: struct HierarchyChange: full support

xinput: struct HierarchyChange: full support

replace uninterpreted_data by switch-case

this is needed by request XIChangeHierarchy.

spec:
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/specs/XI2proto.txt?id=inputproto-2.3.1#n1170

code:
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/XI2.h?id=inputproto-2.3.1#n118
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/XI2proto.h?id=inputproto-2.3.1#n444

Message-ID: <1409820801-43629-5-git-send-email-chris@demorecorder.com>
Patch-Thread-Subject: [Xcb] xinput: xml-fixes possible with new generator features
Patch-Set: XmlFixesNewGenerator
Patch-Number: proto 05/10
Patch-Version: V1
Signed-off-by: Christian Linhart <chris@DemoRecorder.com>