DO NOT MERGE: Almost all warnings are now errors in RS build.

Change-Id: Ie4952cdf5c75bf1b7a7899a32b3b1f8747686356
diff --git a/rsContext.cpp b/rsContext.cpp
index 2e6ea12..4a5620d 100644
--- a/rsContext.cpp
+++ b/rsContext.cpp
@@ -741,7 +741,7 @@
         mWorkers.mLaunchSignals[ct].set();
     }
     for (uint32_t ct = 0; ct < mWorkers.mCount; ct++) {
-        int status = pthread_join(mWorkers.mThreadId[ct], &res);
+        status = pthread_join(mWorkers.mThreadId[ct], &res);
     }
     rsAssert(!mWorkers.mRunningCount);