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H A Dcheckconf.mk3957863bcf381c4bfa1f62ad33353b723974dbfe Wed Nov 08 14:51:52 UTC 2017 Jerome Forissier <jerome.forissier@linaro.org> build: simplify mv-if-changed

In mv-if-changed(file1, file2), there is no need to check if file2
exists before trying to compare both files. Indeed, if file2 does not
exist, cmp -s will return non-zero and the second branch of the
conditional will be taken anyway.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Joakim Bech <joakim.bech@linaro.org>