data tree BUGFIX fix check of input parameters for resolve_unres_data()
data tree BUGFIX fix check of input parameters for resolve_unres_data()

Fixes #45

lukasmacko/libyang,PavolVican/libyang,lukasmacko/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang