xkb: move _XkbErrCode3() and _XkbErrCode4()
These are only used inside xkb.c, nowhere else, so no need to keep them in public header.
Signed-off-by: Enrico Weigelt, metux IT consult info@metux.net
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These are only used inside xkb.c, nowhere else, so no need to keep them in public header.
Signed-off-by: Enrico Weigelt, metux IT consult info@metux.net