Remove redundant semicolon from namespace closing

Change-Id: I163f9d3d216c283ae1160ce4802e5247cf44fba7
diff --git a/services/audioflinger/Effects.cpp b/services/audioflinger/Effects.cpp
index bcaf8ae..8bccb47 100644
--- a/services/audioflinger/Effects.cpp
+++ b/services/audioflinger/Effects.cpp
@@ -1953,4 +1953,4 @@
     }
 }
 
-}; // namespace android
+} // namespace android