Fixes build issue https://github.com/facebook/zstd/issues/2519
--- a/build/meson/lib/meson.build
+++ b/build/meson/lib/meson.build
@@ -22,6 +22,7 @@ libzstd_sources = [join_paths(zstd_rootd
   join_paths(zstd_rootdir, 'lib/common/threading.c'),
   join_paths(zstd_rootdir, 'lib/common/pool.c'),
   join_paths(zstd_rootdir, 'lib/common/zstd_common.c'),
+  join_paths(zstd_rootdir, 'lib/common/zstd_trace.c'),
   join_paths(zstd_rootdir, 'lib/common/error_private.c'),
   join_paths(zstd_rootdir, 'lib/common/xxhash.c'),
   join_paths(zstd_rootdir, 'lib/compress/hist.c'),