Index: layer.h
===================================================================
--- layer.h	(revision 19129)
+++ layer.h	(revision 19130)
@@ -346,7 +346,7 @@
 extern pcb_virt_layer_t pcb_virt_layers[];
 
 /* Return the first virtual layer that fully matches mask */
-const pcb_virt_layer_t *pcb_vlayer_get_first(pcb_layer_type_t mask);
+const pcb_virt_layer_t *pcb_vlayer_get_first(pcb_layer_type_t mask, const char *purpose, int purpi);
 
 /* Returns whether the given unsigned int layer flags corresponds to a layer
    that's on the visible side of the board at the moment. */