peel_ref: do not return a null sha1

diff --git a/builtin.h b/builtin.h
index dffb34ef4e29799bcb9a8c78bdf439547845794f..8e377522fee4be94f9cdca40d44ecdcc18b42d8b 100644 (file)
--- a/builtin.h
+++ b/builtin.h
@@ -9,7 +9,6 @@
 
 #define DEFAULT_MERGE_LOG_LEN 20
 
-extern const char git_version_string[];
 extern const char git_usage_string[];
 extern const char git_more_info_string[];
 
@@ -68,6 +67,7 @@ extern int cmd_commit(int argc, const char **argv, const char *prefix);
 extern int cmd_commit_tree(int argc, const char **argv, const char *prefix);
 extern int cmd_config(int argc, const char **argv, const char *prefix);
 extern int cmd_count_objects(int argc, const char **argv, const char *prefix);
+extern int cmd_credential(int argc, const char **argv, const char *prefix);
 extern int cmd_describe(int argc, const char **argv, const char *prefix);
 extern int cmd_diff_files(int argc, const char **argv, const char *prefix);
 extern int cmd_diff_index(int argc, const char **argv, const char *prefix);