build-sys: simplify git tar invocation
authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Sun, 12 Mar 2017 00:09:27 +0000 (19:09 -0500)
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Sun, 12 Mar 2017 00:09:27 +0000 (19:09 -0500)
commit92f58d6647eeb1874c7f14af7699b5479b097ce8
treeb93b0aa5936a55105452d94d54968f5ced6cd0d0
parentd5e15d2fd783d26cba8dc304f3fe3ed68c047fe5
build-sys: simplify git tar invocation

git is nowadays nice enough to compress based on the output file suffix,
let's make use of that.
Makefile.am