Fixing the lockless fifo destory bug.
Removing unused code from element. build.

Change-Id: I4bb324a666486d6d3fa45cc1995d0e96cb99f70a
diff --git a/libs/rs/rsLocklessFifo.h b/libs/rs/rsLocklessFifo.h
index 4962ef6..fa53d40 100644
--- a/libs/rs/rsLocklessFifo.h
+++ b/libs/rs/rsLocklessFifo.h
@@ -47,6 +47,7 @@
     uint8_t * mEnd;
     uint8_t mSize;
     bool mInShutdown;
+    bool mInitialized;
 
     Signal mSignalToWorker;
     Signal mSignalToControl;