environment.c: remove unused variable

After v1.6.0-rc0~230^2^ (environment.c: remove unused function,
2008-06-19), git_refs_dir is not used any more.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/environment.c b/environment.c
index 2d0c3153791d7cceffb12f50dd5a7716b8c0a8c0..c44a30be3e4baf5794dcbadfdd6c6a694c2f6851 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -64,7 +64,7 @@ char *git_work_tree_cfg;
 static char *work_tree;
 
 static const char *git_dir;
-static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
+static char *git_object_dir, *git_index_file, *git_graft_file;
 
 /*
  * Repository-local GIT_* environment variables
@@ -96,8 +96,6 @@ static void setup_git_env(void)
                git_object_dir = xmalloc(strlen(git_dir) + 9);
                sprintf(git_object_dir, "%s/objects", git_dir);
        }
-       git_refs_dir = xmalloc(strlen(git_dir) + 6);
-       sprintf(git_refs_dir, "%s/refs", git_dir);
        git_index_file = getenv(INDEX_ENVIRONMENT);
        if (!git_index_file) {
                git_index_file = xmalloc(strlen(git_dir) + 7);