Update the m3build templates for FreeBSD-2.1 and later.

--- m3/m3build/templates/COMMON.orig	Fri Feb  9 14:23:04 1996
+++ m3/m3build/templates/COMMON	Fri Oct 25 13:48:57 1996
@@ -998,7 +998,7 @@
   if HAVE_PKGTOOLS
     _install_file (src, dest, "0755", "T")
   else
-    local target = format ("%s%s%s%s%s%s%s", PKG_USE, SL, BUILD_PACKAGE,
+    local target = format ("%s%s%s%s%s%s%s", LIB_TO_PKG, SL, BUILD_PACKAGE,
                                              SL, BUILD_DIR, SL, src)
     local link = format ("%s%s%s", dest, SL, src)
     >> M3SHIP_FILE in