tests: scrub environment of GIT_* variables

diff --git a/cache.h b/cache.h
index 08a902210c6374c65f94a1238d895a65c7cde43a..a8ef37a6903ee9768fc12df345fd47af5107723f 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -560,7 +560,6 @@ extern int assume_unchanged;
 extern int prefer_symlink_refs;
 extern int log_all_ref_updates;
 extern int warn_ambiguous_refs;
-extern int unique_abbrev_extra_length;
 extern int shared_repository;
 extern const char *apply_default_whitespace;
 extern const char *apply_default_ignorewhitespace;
@@ -1021,7 +1020,6 @@ extern const char *git_etc_gitconfig(void);
 extern int check_repository_format_version(const char *var, const char *value, void *cb);
 extern int git_env_bool(const char *, int);
 extern int git_config_system(void);
-extern int git_config_global(void);
 extern int config_error_nonbool(const char *);
 extern const char *get_log_output_encoding(void);
 extern const char *get_commit_output_encoding(void);