Configure started with 'require 5.10.0', but if executed by older perl
it failed with "might be runaway multi-line // string" instead of
naturally expected "Perl v5.10.0 required--this is only v5.x.y".
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit
d83112b7fd3b0e751f8a5947e5a93db1cbbe86dc)
## Configure -- OpenSSL source tree configuration script
-require 5.10.0;
+use 5.10.0;
use strict;
use File::Basename;
use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;