configure: avoid using expr
commitf55fe2785c017a00b3aef547a68e2dd1a4843a16
authorPaolo Bonzini <pbonzini@redhat.com>
Wed, 26 May 2010 14:08:17 +0000 (26 16:08 +0200)
committerAurelien Jarno <aurelien@aurel32.net>
Wed, 9 Jun 2010 22:09:48 +0000 (10 00:09 +0200)
treeb901b8878e50b724bca59488fbf7df14d8ed6fb9
parenta447d4dc5607176a70361aed9361e1b63dc67ec9
configure: avoid using expr

Just a personal preference against duplicating hieroglyphics.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
configure