Fix clang warnings in AudioFlinger

Change-Id: I0fa61025c979709ad7d655bc717df5f194b6089e
diff --git a/services/audioflinger/AudioResampler.h b/services/audioflinger/AudioResampler.h
index c341325..dc33f29 100644
--- a/services/audioflinger/AudioResampler.h
+++ b/services/audioflinger/AudioResampler.h
@@ -84,7 +84,7 @@
     static const uint32_t kPhaseMask = (1LU<<kNumPhaseBits)-1;
 
     // multiplier to calculate fixed point phase increment
-    static const double kPhaseMultiplier = 1L << kNumPhaseBits;
+    static const double kPhaseMultiplier;
 
     AudioResampler(int bitDepth, int inChannelCount, int32_t sampleRate, src_quality quality);