Index: png.c
===================================================================
--- png.c	(revision 26722)
+++ png.c	(revision 26723)
@@ -1218,7 +1218,7 @@
 		pcb_message(PCB_MSG_ERROR, "png cam export for '%s' failed to produce any content\n", options[HA_cam].str_value);
 }
 
-static int png_parse_arguments(int *argc, char ***argv)
+static int png_parse_arguments(pcb_hid_t *hid, int *argc, char ***argv)
 {
 	pcb_hid_register_attributes(png_attribute_list, sizeof(png_attribute_list) / sizeof(png_attribute_list[0]), png_cookie, 0);
 	return pcb_hid_parse_command_line(argc, argv);