This activates PIE ASLR support by default when the regular option is
selected. This is required to enable PIE ASLR support by default in ppp,
as it fails to build without it, on x86/64.
The .so file size stays identical.
Suggested-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>