configure: Use $(..) instead of deprecated `..`
commit89138857619b2a023c32200e9af780792ccaa8c3
authorStefan Weil <sw@weilnetz.de>
Mon, 16 May 2016 13:10:20 +0000 (16 15:10 +0200)
committerMichael Tokarev <mjt@tls.msk.ru>
Tue, 7 Jun 2016 15:19:23 +0000 (7 18:19 +0300)
tree47d3602e99c008aab2e32ec1b3ed319ba3dd67e7
parent96404013898a90a5820a1959a8c275b41a1a1ee8
configure: Use $(..) instead of deprecated `..`

This fixes these warnings from shellcheck:

    ^-- SC2006: Use $(..) instead of deprecated `..`

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
configure