builtin/commit.c: use xstrdup_or_null instead of envdup

diff --git a/wt-status.c b/wt-status.c
index 27da5296be253844e0f2bc8d5996faf343192828..1bf5d725453f726f6a6179f9706a50f3c8c9dbb5 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -725,7 +725,7 @@ static void wt_status_print_changed(struct wt_status *s)
 
 static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
 {
-       struct child_process sm_summary;
+       struct child_process sm_summary = CHILD_PROCESS_INIT;
        struct argv_array env = ARGV_ARRAY_INIT;
        struct argv_array argv = ARGV_ARRAY_INIT;
        struct strbuf cmd_stdout = STRBUF_INIT;
@@ -744,7 +744,6 @@ static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitt
        if (!uncommitted)
                argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD");
 
-       memset(&sm_summary, 0, sizeof(sm_summary));
        sm_summary.argv = argv.argv;
        sm_summary.env = env.argv;
        sm_summary.git_cmd = 1;