Index: layer.h
===================================================================
--- layer.h	(revision 14725)
+++ layer.h	(revision 14726)
@@ -264,7 +264,7 @@
 pcb_layer_t *pcb_layer_new_bound(pcb_data_t *data, pcb_layer_type_t type, const char *name);
 
 /* Calculate a hash of a bound layer (ingoring its name) */
-unsigned long pcb_layer_hash_bound(pcb_layer_t *ly);
+unsigned int pcb_layer_hash_bound(pcb_layer_t *ly);
 
 
 /* Modify tree pointers in dst to point to src's; allocates trees for src if they are not yet allocated */