route: Allow 0 cost in hyperbolic calculation

refs: #1982

Change-Id: I6ffe677d59dcb559f344b7d648600e9537d9c4f5
diff --git a/src/lsa.cpp b/src/lsa.cpp
index 9fa7421..99b69a8 100644
--- a/src/lsa.cpp
+++ b/src/lsa.cpp
@@ -204,7 +204,7 @@
   _LOG_DEBUG("  Ls Seq No: " << m_lsSeqNo);
   _LOG_DEBUG("  Ls Lifetime: " << m_expirationTimePoint);
   _LOG_DEBUG("    Hyperbolic Radius: " << m_corRad);
-  _LOG_DEBUG("    Hyperbolic Theta: " << m_corRad);
+  _LOG_DEBUG("    Hyperbolic Theta: " << m_corTheta);
 }
 
 AdjLsa::AdjLsa(const ndn::Name& origR, const string& lst, uint32_t lsn,