--- a/src/single.c	2015-09-17 09:21:57.826930680 +0200
+++ b/src/single.c	2015-09-17 09:22:04.315824372 +0200
@@ -476,7 +476,7 @@
 };
 
 
-inline int
+static inline int
 ai_checknewpos (_point pos, int d)
 {
     _point m;