configure: fix print_config() with broke awks
authorMans Rullgard <mans@mansr.com>
Tue, 30 Oct 2012 11:57:30 +0000 (11:57 +0000)
committerMans Rullgard <mans@mansr.com>
Tue, 30 Oct 2012 13:33:29 +0000 (13:33 +0000)
commitd16c4aebba1ba611e10d86aa02be4cdfd3fbc3c5
tree793b2685a30414342683b73717a3271f7f404ed0
parent7658295ba353b8bedb3af904f46cfb1ba0cea86a
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