build: organize building system, support sphinx doc

Change-Id: I88ba0186a3defe1ffcbd55fb5f8ef81b5d2d3d81
diff --git a/src/sync-validator.cc b/src/sync-validator.cc
index 37321e3..e5cc0f5 100644
--- a/src/sync-validator.cc
+++ b/src/sync-validator.cc
@@ -26,7 +26,7 @@
 
 using namespace ndn;
 
-INIT_LOGGER ("SyncValidator");
+INIT_LOGGER ("SyncValidator")
 
 namespace Sync {