lib: fix g++ warning in map_common.

* eval.c (map_common): use the all_zero_init macro, defined
differently for C and C++ for initializing a struct to all
zero.

1 files changed, 1 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index 422f903f..2ad4b785 100644
--- a/eval.c
+++ b/eval.c
@@ -5804,7 +5804,7 @@ static val map_common(val self, val fun, varg lists,
                                         chk_malloc(argc * sizeof *iter_array),
                                         alloca(argc * sizeof *iter_array)));
     val buf = if2(over_limit, make_owned_buf(one, coerce(mem_t *, iter_array)));
-    seq_build_t out = { 0 };
+    seq_build_t out = all_zero_init;
     args_decl(args_fun, max(argc, ARGS_MIN));
 
     if (collect_fn != 0)