fix RTF_MULTICAST and g++ -w

make-netbsd.mk

@@ -34,7 +34,7 @@ else
 	STRIP=strip --strip-all
 endif
 
-CXXFLAGS+=$(CFLAGS) -fno-rtti -fpermissive -w
+CXXFLAGS+=$(CFLAGS) -fno-rtti -fpermissive
 
 all:	one
 

node/Constants.hpp

@@ -124,6 +124,10 @@
 #include <endian.h>
 #endif
 
+#ifdef __NetBSD__
+#define RTF_MULTICAST   0x20000000
+#endif
+
 /**
  * Length of a ZeroTier address in bytes
  */