checkForNewParameters_l returns a value which is currently ignored

Change-Id: I19b9cc9df094d67560f6e832d94fa284dca18687
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 9201606..c0e2939 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -4220,7 +4220,8 @@
         Vector< sp<EffectChain> > effectChains;
         { // scope for mLock
             Mutex::Autolock _l(mLock);
-            checkForNewParameters_l();
+            // return value 'reconfig' is currently unused
+            bool reconfig = checkForNewParameters_l();
             if (mActiveTrack == 0 && mConfigEvents.isEmpty()) {
                 standby();