Replace the macro use with the expansion of the macro as it appears in
both libc++ as well as libstdc++.
Fixes Clang 15 C++20 warning-turned-error:
forkfd.c:157:39: error: macro 'ATOMIC_VAR_INIT' has been marked as deprecated [-Werror,-Wdeprecated-pragma]
static ffd_atomic_int forkfd_status = FFD_ATOMIC_INIT(0);
^
forkfd_c11.h:51:37: note: expanded from macro 'FFD_ATOMIC_INIT'
#define FFD_ATOMIC_INIT(val) ATOMIC_VAR_INIT(val)
^
/d/llvm/15/bin/../include/c++/v1/atomic:2671:43: note: macro marked 'deprecated' here
# pragma clang deprecated(ATOMIC_VAR_INIT)
^
Matching OpenDCDiag pull request:
https://github.com/opendcdiag/opendcdiag/pull/159
Pick-to: 6.4 6.3 6.2 5.15
Change-Id: I0204f7fcd6039624ed75d414daf9b6a771bfd9d0
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
35649760e5