ring-all: remove quotes from link

Change-Id: Ibfaa5c119bf20c1d9814f3e7137b35d58e635dd3

packaging/rules/debian/rules

@@ -184,7 +184,7 @@ override_dh_auto_install:
 
         ## GNOME client
 	cd client-gnome/build && make DESTDIR=$(CURDIR)/debian/$(RING_ALL_IN_ONE_PKG_NAME) install
-	ln -sf /usr/bin/jami $(CURDIR)/debian/$(RING_ALL_IN_ONE_PKG_NAME)/usr/bin/ring.cx
+	ln -sf /usr/bin/jami $(CURDIR)/debian/ring-all/usr/bin/ring.cx
 
 tmpdir:= $(shell mktemp -d)
 workdir:= $(shell pwd)