This change ensure that making the appliance will always rebuild the daemon if
required.
$(generator_built): $(top_builddir)/src/stamp-generator
$(top_builddir)/src/stamp-generator: force
$(MAKE) -C $(top_builddir)/src stamp-generator
$(generator_built): $(top_builddir)/src/stamp-generator
$(top_builddir)/src/stamp-generator: force
$(MAKE) -C $(top_builddir)/src stamp-generator
+
+# The daemon
+$(top_builddir)/daemon/guestfsd: force
+ $(MAKE) -C $(top_builddir)/daemon