Fix build warnings

Change-Id: Idfdaff3a7a8f60cd8817bd306bfba28020a391c8
diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index 2332f3a..26cd1f9 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -433,7 +433,8 @@
         }
 
         if (mMasterMono.load()) {  // memory_order_seq_cst
-            mono_blend(mMixerBuffer, mMixerBufferFormat, Format_channelCount(mFormat), frameCount, true /*limit*/);
+            mono_blend(mMixerBuffer, mMixerBufferFormat, Format_channelCount(mFormat), frameCount,
+                    true /*limit*/);
         }
         // prepare the buffer used to write to sink
         void *buffer = mSinkBuffer != NULL ? mSinkBuffer : mMixerBuffer;