syncing BINPKG_SITES with reality

[Steven Drake <sbd%NetBSD.org@localhost>]

Someone was going to do this but forgot, so any objections to the following.

-- 
Steven

Index: install/bin-install.mk
===================================================================
RCS file: /cvsroot/pkgsrc/mk/install/bin-install.mk,v
retrieving revision 1.18
diff -u -r1.18 bin-install.mk
--- install/bin-install.mk      20 Feb 2008 09:58:04 -0000      1.18
+++ install/bin-install.mk      27 Dec 2009 01:23:49 -0000
@@ -31,7 +31,7 @@
  # replaced with OS release ("1.5", ...) and architecture ("mipsel", ...)
  .if ${OPSYS} == "NetBSD"
  BINPKG_SITES?= \
-       ftp://ftp.NetBSD.org/pub/NetBSD/packages/$${rel}/$${arch}
+       ftp://ftp.NetBSD.org/pub/pkgsrc/packages/NetBSD/$${arch}/$${rel}
  .else
  BINPKG_SITES?=
  .endif