namespace does not need a closing semicolon

Change-Id: Ie8f9d42fc061f6d558f23b98414e04eb3d14b376
diff --git a/media/libmedia/IDrmClient.cpp b/media/libmedia/IDrmClient.cpp
index f50715e..490c6ed 100644
--- a/media/libmedia/IDrmClient.cpp
+++ b/media/libmedia/IDrmClient.cpp
@@ -78,4 +78,4 @@
     }
 }
 
-}; // namespace android
+} // namespace android