Enable hardened build flags

debian/control

@@ -5,6 +5,7 @@ Maintainer: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
 Build-Depends: debhelper (>= 7.0.50~),
     autoconf,
     autotools-dev,
+    hardening-wrapper,
     libpcap0.8-dev,
 Standards-Version: 3.9.3
 Homepage: http://code.google.com/p/softflowd/

debian/rules

@@ -1,5 +1,7 @@
 #!/usr/bin/make -f
 
+export DEB_BUILD_HARDENING=1
+
 override_dh_auto_configure:
 	autoreconf
 	dh_auto_configure -- \