1 files changed, 3 insertions, 0 deletions

diff --git a/src/dispextern.h b/src/dispextern.h
index 5a38467f774..333ce8f36e0 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -2733,6 +2733,9 @@ void compute_fringe_widths P_ ((struct frame *, int));
 void w32_init_fringe P_ ((void));
 void w32_reset_fringes P_ ((void));
 #endif
+#ifdef MAC_OS
+void mac_init_fringe P_ ((void));
+#endif
 
 /* Defined in image.c */