Fix a bunch more lint.

(If you ignore the compilers, we've got relatively little lint now. Fits on
a single screen.)

Change-Id: I51389002894d4fd8cf46f79d2bac57079322a030
diff --git a/src/verifier/gc_map.cc b/src/verifier/gc_map.cc
index b9a3ef4..a9d481e 100644
--- a/src/verifier/gc_map.cc
+++ b/src/verifier/gc_map.cc
@@ -52,5 +52,5 @@
   return NULL;
 }
 
-}  // verifier
-}  // art
+}  // namespace verifier
+}  // namespace art