Clang 6 updates

Just some minor fixes.

Change-Id: I000c456e51c62220d7a5fed8100cfc6c13ef9551
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/ubi/flash.cpp b/ubi/flash.cpp
index 8986a07..4d6d153 100644
--- a/ubi/flash.cpp
+++ b/ubi/flash.cpp
@@ -79,4 +79,4 @@
 
 } // namespace updater
 } // namespace software
-} // namepsace phosphor
+} // namespace phosphor