Add config patch back in to series.

debian/patches/debian-config.patch

@@ -3,8 +3,8 @@ Author: Roger Light <roger@atchoo.org>
 Forwarded: not-needed
 --- a/Makefile
 +++ b/Makefile
-@@ -35,6 +35,7 @@
- 	set -e; for d in ${DOCDIRS}; do $(MAKE) -C $${d} install; done
+@@ -41,6 +41,7 @@
+ endif
  	$(INSTALL) -d ${DESTDIR}/etc/mosquitto
  	$(INSTALL) -m 644 mosquitto.conf ${DESTDIR}/etc/mosquitto/mosquitto.conf.example
 +	$(INSTALL) -m 644 debian.conf ${DESTDIR}/etc/mosquitto/mosquitto.conf

debian/patches/series

@@ -7,3 +7,4 @@ enable-websockets.patch
 libdir.patch
 build-timestamp.patch
 hurd-errno.patch
+debian-config.patch