jack: re-enable 'classic' jackd server, some things need it (like qsynth).

srcpkgs/jack/template

@@ -1,7 +1,7 @@
 # Template file for 'jack'
 pkgname=jack
 version=1.9.7
-revision=3
+revision=4
 homepage="http://jackaudio.org/"
 distfiles="http://www.grame.fr/~letz/${pkgname}-${version}.tar.bz2"
 build_style=custom-install
@@ -54,7 +54,7 @@ Add_dependency build libsndfile-devel
 do_configure()
 {
 	./waf configure --prefix=/usr \
-		--alsa --dbus
+		--alsa --classic --dbus
 }
 
 do_build()