Use the macro FLEX_ALLOC_MEM instead of open-coding it.  This shortens
and simplifies the code a bit.

Signed-off-by: Rene Scharfe <l....@web.de>
---
 builtin/receive-pack.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 92e1213..011db00 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1478,11 +1478,9 @@ static struct command **queue_command(struct command 
**tail,
 
        refname = line + 82;
        reflen = linelen - 82;
-       cmd = xcalloc(1, st_add3(sizeof(struct command), reflen, 1));
+       FLEX_ALLOC_MEM(cmd, ref_name, refname, reflen);
        hashcpy(cmd->old_sha1, old_sha1);
        hashcpy(cmd->new_sha1, new_sha1);
-       memcpy(cmd->ref_name, refname, reflen);
-       cmd->ref_name[reflen] = '\0';
        *tail = cmd;
        return &cmd->next;
 }
-- 
2.9.3

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