route: handle zero cost links

refs: #4978

Change-Id: I461bdac9e10cb8362a7624b177ee68aa20d3ff3e
diff --git a/src/conf-parameter.hpp b/src/conf-parameter.hpp
index 1ecf6c8..6b63937 100644
--- a/src/conf-parameter.hpp
+++ b/src/conf-parameter.hpp
@@ -415,7 +415,8 @@
     return m_stateFileDir;
   }
 
-  void setConfFileNameDynamic(const std::string& confFileDynamic)
+  void
+  setConfFileNameDynamic(const std::string& confFileDynamic)
   {
     m_confFileNameDynamic = confFileDynamic;
   }