Index: layer.c
===================================================================
--- layer.c	(revision 22196)
+++ layer.c	(revision 22197)
@@ -115,7 +115,7 @@
 
 	}
 	fprintf(f, "end layer\n");
-	return -1;
+	return 0;
 }
 
 int tedax_layer_save(pcb_board_t *pcb, pcb_layergrp_id_t gid, const char *layname, const char *fn)