src: Making NLSR a daemon process with -d option

Change-Id: Ia9a83adab0140d918ce6c4adc2023dd43fc0fe8d
diff --git a/src/nlsr.hpp b/src/nlsr.hpp
index fe1ef6c..b6b7ed6 100644
--- a/src/nlsr.hpp
+++ b/src/nlsr.hpp
@@ -328,6 +328,9 @@
   void
   setStrategies();
 
+  void
+  daemonize();
+
 private:
   void
   registerKeyPrefix();