nlsr: Update to the latest version
diff --git a/nlsr/debian/rules b/nlsr/debian/rules
index 44c87df..23a8078 100755
--- a/nlsr/debian/rules
+++ b/nlsr/debian/rules
@@ -10,12 +10,14 @@
 # export DH_VERBOSE=1
 
 LDFLAGS := $(shell dpkg-buildflags --get LDFLAGS)
+CXXFLAGS := $(shell dpkg-buildflags --get CXXFLAGS)
+CXXFLAGS += -std=c++11
 
 %:
 	dh $@ --parallel
 
 override_dh_auto_configure:
-	./waf configure --prefix=/usr
+	CXXFLAGS="$(CXXFLAGS)" LINKFLAGS="$(LDFLAGS)" ./waf configure --prefix=/usr
 
 override_dh_auto_build:
 	./waf build
@@ -31,6 +33,7 @@
 	./waf distclean
 	rm -f VERSION
 	rm -rf .waf-1*
+	rm -rf .waf3-1*
 	rm -f .waf-tools/*.pyc
 	rm -f docs/*.pyc