repo-ng: Update to ndn-cxx 0.5.1

Change-Id: Ic76c591007d6c4d4dd4df00261da9c5fe02e6c8f
diff --git a/repo-ng/debian/rules b/repo-ng/debian/rules
index ffe978c..97288fa 100755
--- a/repo-ng/debian/rules
+++ b/repo-ng/debian/rules
@@ -12,12 +12,13 @@
 LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS)
 CXXFLAGS := $(shell dpkg-buildflags --get CXXFLAGS)
 CXXFLAGS += -std=c++11
+LIBDIR := /usr/lib/$(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 
 %:
 	dh $@ --parallel --with=systemd
 
 override_dh_auto_configure:
-	CXXFLAGS="$(CXXFLAGS)" LINKFLAGS="$(LDFLAGS)" ./waf configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
+	CXXFLAGS="$(CXXFLAGS)" LINKFLAGS="$(LDFLAGS)" ./waf configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var --boost-libs="$(LIBDIR)"
 
 override_dh_auto_build:
 	./waf build