int wt_status_relative_paths = 1;
int wt_status_use_color = -1;
-int wt_status_submodule_summary;
+static int wt_status_submodule_summary;
static char wt_status_colors[][COLOR_MAXLEN] = {
GIT_COLOR_NORMAL, /* WT_STATUS_HEADER */
GIT_COLOR_GREEN, /* WT_STATUS_UPDATED */