qcow2: Pull check_refblocks() up Pull check_refblocks() before calculate_refcounts() so we can drop its static declaration. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: BenoƮt Canet <benoit.canet@nodalink.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>