[PATCH] submodule: don't use an integer as a NULL pointer

[Ramsay Jones]

Signed-off-by: Ramsay Jones <ram...@ramsayjones.plus.com>
---

Hi Stefan,

If you need to re-roll your 'sb/submodule-init' branch, could
you please squash this into the relevant patch.

Thanks!

ATB,
Ramsay Jones

 submodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/submodule.c b/submodule.c
index 30c393b..ccafd45 100644
--- a/submodule.c
+++ b/submodule.c
@@ -253,7 +253,7 @@ const char *submodule_strategy_to_string(const struct 
submodule_update_strategy
                return NULL;
        case SM_UPDATE_COMMAND:
                strbuf_addf(&sb, "!%s", s->command);
-               return strbuf_detach(&sb, 0);
+               return strbuf_detach(&sb, NULL);
        }
        return NULL;
 }
-- 
2.7.0
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