Provide GUILE_BINDIR variable for Makefiles.

@@ -465,6 +465,7 @@ esac
 dnl Check for Guile
 AC_SUBST(GUILE_INCLUDES)
 AC_SUBST(GUILE_LIBS)
+AC_SUBST(GUILE_BINDIR)
 AC_SUBST(GUILE_SNARF_VERSION)
 AC_SUBST(GUIMB)
 AC_SUBST(MU_SCM)
@@ -477,6 +478,7 @@ if test x"$useguile" = x"yes"; then
             AC_DEFINE(WITH_GUILE,1,[Enable Guile support])
             GUILE_INCLUDES=`guile-config compile`
   	    GUILE_LIBS=`guile-config link`
+	    GUILE_BINDIR=`guile-config info bindir`
 	    GUIMB=guimb
             MU_SCM=libmu_scm.la
             LIBMU_SCM=../libmu_scm/libmu_scm.la

@@ -48,7 +48,8 @@
 	   (port (mu-message-get-port mesg "w")))
       (mu-message-set-header mesg "Content-Type" "message/delivery-status")
 
-      (display "Reporting-UA: guimb; GNU Mailutils 0.0.9\n" port)
+      (display (string-append "Reporting-UA: sieve; GNU "
+			      mu-package-string "\n") port)
       (display (string-append "Arrival-Date: " datestr "\n") port)
       (newline port)