build+ci: Update default build flags and CI scripts

This commit also fixes a few compilation errors.

Change-Id: I19bcbe360423dad2532b9caee4edcdc6356b0075
diff --git a/tools/ndns-dig.cpp b/tools/ndns-dig.cpp
index 36fea64..30afe88 100644
--- a/tools/ndns-dig.cpp
+++ b/tools/ndns-dig.cpp
@@ -35,7 +35,7 @@
 #include <memory>
 #include <string>
 
-NDNS_LOG_INIT("NdnsDig");
+NDNS_LOG_INIT("NdnsDig")
 
 namespace ndn {
 namespace ndns {