[PATCH] submodule-config: use explicit empty string instead of strbuf in config_from()

[René Scharfe]

Use a string constant instead of an empty strbuf to shorten the code
and make it easier to read.

Signed-off-by: Rene Scharfe <l....@web.de>
---
... unless someone can come up with a suitable non-empty string to feed
to git_config_from_mem() as its name parameter.

 submodule-config.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/submodule-config.c b/submodule-config.c
index db1847f..44eb162 100644
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -397,7 +397,6 @@ static const struct submodule *config_from(struct 
submodule_cache *cache,
                const unsigned char *commit_sha1, const char *key,
                enum lookup_type lookup_type)
 {
-       struct strbuf rev = STRBUF_INIT;
        unsigned long config_size;
        char *config;
        unsigned char sha1[20];
@@ -448,7 +447,7 @@ static const struct submodule *config_from(struct 
submodule_cache *cache,
        parameter.commit_sha1 = commit_sha1;
        parameter.gitmodules_sha1 = sha1;
        parameter.overwrite = 0;
-       git_config_from_mem(parse_config, "submodule-blob", rev.buf,
+       git_config_from_mem(parse_config, "submodule-blob", "",
                        config, config_size, &parameter);
        free(config);
 
-- 
2.9.2

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