retreat.h is unused, remove it.

diff --git a/src/lib/commands/buil.c b/src/lib/commands/buil.c
index a8529f21d7b0b67c56e8f7966d9bbf8bef524db2..d6bb8e4ad952170cf59132ca8ab4f124b34f2dd5 100644 (file)
--- a/src/lib/commands/buil.c
+++ b/src/lib/commands/buil.c
@@ -38,7 +38,6 @@
 #include "var.h"
 #include "sect.h"
 #include "nat.h"
-#include "retreat.h"
 #include "ship.h"
 #include "land.h"
 #include "nuke.h"