prefix_filename: drop length parameter

diff --git a/builtin/config.c b/builtin/config.c
index 05843a0f96e4dc0dbf9fbc7310039794b57947e7..74f6c34d11ec720b7faf8212b9b61ec0648cf4aa 100644 (file)
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -528,7 +528,6 @@ int cmd_config(int argc, const char **argv, const char *prefix)
                if (!is_absolute_path(given_config_source.file) && prefix)
                        given_config_source.file =
                                xstrdup(prefix_filename(prefix,
-                                                       strlen(prefix),
                                                        given_config_source.file));
        }