Index: png.c
===================================================================
--- png.c	(revision 25200)
+++ png.c	(revision 25201)
@@ -1301,7 +1301,7 @@
 		return 1;
 }
 
-static int png_set_layer_group(pcb_layergrp_id_t group, const char *purpose, int purpi, pcb_layer_id_t layer, unsigned int flags, int is_empty, pcb_xform_t **xform)
+static int png_set_layer_group(pcb_hidlib_t *hidlib, pcb_layergrp_id_t group, const char *purpose, int purpi, pcb_layer_id_t layer, unsigned int flags, int is_empty, pcb_xform_t **xform)
 {
 	doing_outline = 0;