Index: show_netnames.c
===================================================================
--- show_netnames.c	(revision 33923)
+++ show_netnames.c	(revision 33924)
@@ -140,7 +140,7 @@
 	pcb_qry_uninit(&shn_qctx);
 }
 
-static show_netnames_inv_cache(rnd_hidlib_t *hidlib, void *user_data, int argc, rnd_event_arg_t argv[])
+static void show_netnames_inv_cache(rnd_hidlib_t *hidlib, void *user_data, int argc, rnd_event_arg_t argv[])
 {
 	shn_cache_uptodate = 0;
 }
@@ -219,7 +219,7 @@
 
 				/* Don't print if label is longer than line's 80% */
 				if (shn->w * lscale > len * 0.8)
-					return;
+					return NULL;
 
 					if (l != 0) {
 						vx /= len;