Clang 6 updates

Just some minor fixes.

Change-Id: I000c456e51c62220d7a5fed8100cfc6c13ef9551
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/elog-errors.hpp b/elog-errors.hpp
index a782ed0..20f5f45 100644
--- a/elog-errors.hpp
+++ b/elog-errors.hpp
@@ -136,7 +136,7 @@
 {
     using type = xyz::openbmc_project::Software::Version::UnTarFailure;
 };
-}
+} // namespace details
 
 namespace xyz
 {
@@ -199,7 +199,7 @@
 {
     using type = xyz::openbmc_project::Software::Version::ManifestFileFailure;
 };
-}
+} // namespace details
 
 namespace xyz
 {
@@ -263,7 +263,7 @@
 {
     using type = xyz::openbmc_project::Software::Version::InternalFailure;
 };
-}
+} // namespace details
 
 } // namespace logging