src: rename namespace as chronochat

Change-Id: Idf390b1b2047c912735014d078ce099cf95026e6
diff --git a/src/chat-dialog-backend.hpp b/src/chat-dialog-backend.hpp
index f2d6f89..051a35e 100644
--- a/src/chat-dialog-backend.hpp
+++ b/src/chat-dialog-backend.hpp
@@ -20,7 +20,7 @@
 #include <socket.hpp>
 #endif
 
-namespace chronos {
+namespace chronochat {
 
 class NodeInfo {
 public:
@@ -99,7 +99,7 @@
 
 signals:
   void
-  syncTreeUpdated(std::vector<chronos::NodeInfo> updates, QString digest);
+  syncTreeUpdated(std::vector<chronochat::NodeInfo> updates, QString digest);
 
   void
   chatMessageReceived(QString nick, QString text, time_t timestamp);
@@ -155,6 +155,6 @@
   bool m_shouldResume;
 };
 
-} // namespace chronos
+} // namespace chronochat
 
 #endif // CHRONOCHAT_CHAT_DIALOG_BACKEND_HPP