xinput: struct FeedbackState: full support

xinput: struct FeedbackState: full support

replace uninterpreted_data by switch-case

this is needed by reply GetFeedbackControl.

spec:
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/specs/XIproto.txt?id=inputproto-2.3.1#n1613
http://cgit.freedesktop.org/xorg/lib/libXi/tree/specs/encoding.xml?id=libXi-1.7.4#n1341

code:
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/XI.h?id=inputproto-2.3.1#n244
http://cgit.freedesktop.org/xorg/proto/inputproto/tree/XIproto.h?id=inputproto-2.3.1#n754

Message-ID: <1409820801-43629-1-git-send-email-chris@demorecorder.com>
Patch-Thread-Subject: [Xcb] xinput: xml-fixes possible with new generator features
Patch-Set: XmlFixesNewGenerator
Patch-Number: proto 01/10
Patch-Version: V1
Signed-off-by: Christian Linhart <chris@DemoRecorder.com>