configure: fix print_config() with broke awks
authorMans Rullgard <mans@mansr.com>
Tue, 30 Oct 2012 11:57:30 +0000 (11:57 +0000)
committerMichael Niedermayer <michaelni@gmx.at>
Tue, 30 Oct 2012 18:26:07 +0000 (19:26 +0100)
commit674c4a11cbcc18714e3393d568b3751151f815c5
tree75ecce1503dff8a7977546c4f1f67ffd52324808
parent4d2f1d8c930a596f33cf3b26182e9098fe274967
configure: fix print_config() with broke awks

Some awk versions do not treat the result of unary + on a (numeric)
string as numeric, giving wrong results when used in a boolean context
Using unary - instead is logically equivalent works as expected.

Signed-off-by: Mans Rullgard <mans@mansr.com>
configure