misc: rename namespace jami to namespace dhtnet

Change-Id: I904ec8fa1f35dfdcf1aabd5f1ec8d95989ad0696
diff --git a/tests/certstore.cpp b/tests/certstore.cpp
index 01005e9..0bc7722 100644
--- a/tests/certstore.cpp
+++ b/tests/certstore.cpp
@@ -200,6 +200,6 @@
 }
 
 } // namespace test
-} // namespace jami
+} // namespace dhtnet
 
 JAMI_TEST_RUNNER(dhtnet::test::CertStoreTest::name());