notes: Initialize variable to appease Sun Studio

Sun Studio 12 Update 1 thinks that *t could be uninitialized,
ostensibly because it doesn't take rewrite_cmd into account in its
static analysis.

builtin/notes.c: In function `notes_copy_from_stdin':
builtin/notes.c:419: warning: 't' might be used uninitialized in this function

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/notes.c b/builtin/notes.c
index 52b72fca687d42dc09d1d79a8e76584a55c0c546..26617546c8cadac493f06473d02f27f320713b28 100644 (file)
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -416,7 +416,7 @@ int notes_copy_from_stdin(int force, const char *rewrite_cmd)
 {
        struct strbuf buf = STRBUF_INIT;
        struct notes_rewrite_cfg *c = NULL;
-       struct notes_tree *t;
+       struct notes_tree *t = NULL;
        int ret = 0;
 
        if (rewrite_cmd) {