[xsrc/trunk]: xsrc/external/mit/MesaLib/dist/src/util fix for clang.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/xsrc/rev/535948120361
branches:  trunk
changeset: 10271:535948120361
user:      christos <christos%NetBSD.org@localhost>
date:      Thu May 02 20:56:21 2019 +0000

description:
fix for clang.

diffstat:

 external/mit/MesaLib/dist/src/util/u_atomic.c |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (16 lines):

diff -r 5f9d12c5617f -r 535948120361 external/mit/MesaLib/dist/src/util/u_atomic.c
--- a/external/mit/MesaLib/dist/src/util/u_atomic.c     Sun Apr 21 18:52:56 2019 +0000
+++ b/external/mit/MesaLib/dist/src/util/u_atomic.c     Thu May 02 20:56:21 2019 +0000
@@ -63,7 +63,11 @@
 }
 
 WEAK long long
-__sync_val_compare_and_swap_8(volatile long long *ptr, long long oldval, long long newval)
+__sync_val_compare_and_swap_8(volatile long long *ptr, long long oldval, long long newval
+#ifdef __clang__
+       , ...
+#endif
+)
 {
    long long r;