atomic_fetch_and_add does not belong into this #if
atomic_fetch_and_add does not belong into this #if

- was just wrongly included into the #if, but does not depend on what kind of locks are used

Signed-off-by: Stefan Marr <46f1a0bd5592a2f9244ca321b129902a06b53e03@stefan-marr.de>

smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM