build: == Dependency change ==  ChronoChat now depends on ndn-cxx library

Change-Id: I25d1abe8035c34a7d34cba53960e3456d6677fdc
diff --git a/src/digest-tree-scene.h b/src/digest-tree-scene.h
index bab1139..06befa8 100644
--- a/src/digest-tree-scene.h
+++ b/src/digest-tree-scene.h
@@ -69,12 +69,12 @@
 
 private:
   Roster m_roster;
-  QGraphicsTextItem *m_rootDigest; 
+  QGraphicsTextItem *m_rootDigest;
   DisplayUserPtr previouslyUpdatedUser;
   QString m_currentPrefix;
 };
 
-class User 
+class User
 {
 public:
   User():m_received(time(NULL)) {}
@@ -100,7 +100,7 @@
   time_t m_received;
 };
 
-class DisplayUser : public User 
+class DisplayUser : public User
 {
 public:
   DisplayUser():m_seqTextItem(NULL), m_nickTextItem(NULL), m_rimRectItem(NULL) {}