scripts/getver.sh: simplify revision calculation
authorJonas Gorski <jonas.gorski@gmail.com>
Sat, 4 Jun 2016 16:35:21 +0000 (18:35 +0200)
committerJonas Gorski <jonas.gorski@gmail.com>
Sat, 9 Jul 2016 11:41:28 +0000 (13:41 +0200)
Use git rev-list --count to get the revision number.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

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