Index: openswan-2.4.7/Makefile.inc
===================================================================
--- openswan-2.4.7.orig/Makefile.inc	2006-12-25 18:05:40.608503250 +0100
+++ openswan-2.4.7/Makefile.inc	2006-12-25 18:06:39.028154250 +0100
@@ -158,7 +158,7 @@
 # how backup names are composed.
 # Note that the install procedures will never overwrite an existing config
 # file, which is why -b is not specified for them.
-INSTBINFLAGS=-b --suffix=.old
+INSTBINFLAGS=
 INSTSUIDFLAGS=--mode=u+rxs,g+rx,o+rx --group=root -b --suffix=.old
 INSTMANFLAGS=
 INSTCONFFLAGS=