BB_DPKG uses copy_file
diff --git a/utility.c b/utility.c
index aa1fa94..9f0bca9 100644
--- a/utility.c
+++ b/utility.c
@@ -312,7 +312,7 @@
 #endif
 
 
-#if defined (BB_CP_MV)
+#if defined (BB_CP_MV) || defined BB_DPKG
 /*
  * Copy one file to another, while possibly preserving its modes, times, and
  * modes.  Returns TRUE if successful, or FALSE on a failure with an error