Index: png.c
===================================================================
--- png.c	(revision 26806)
+++ png.c	(revision 26807)
@@ -1308,7 +1308,7 @@
 		return 1;
 }
 
-static int png_set_layer_group(pcb_hid_t *hid, 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)
+static int png_set_layer_group(pcb_hid_t *hid, 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;