Fix uninitialized Storage in _LUTeval16

BUG=387826
R=palmer@chromium.org

Review URL: https://codereview.chromium.org/387273002
diff --git a/core/src/fxcodec/lcms2/lcms2-2.6/src/cmslut.c b/core/src/fxcodec/lcms2/lcms2-2.6/src/cmslut.c
index a81811c..73e6726 100644
--- a/core/src/fxcodec/lcms2/lcms2-2.6/src/cmslut.c
+++ b/core/src/fxcodec/lcms2/lcms2-2.6/src/cmslut.c
@@ -1279,7 +1279,7 @@
 {
     cmsPipeline* lut = (cmsPipeline*) D;
     cmsStage *mpe;
-    cmsFloat32Number Storage[2][MAX_STAGE_CHANNELS];
+    cmsFloat32Number Storage[2][MAX_STAGE_CHANNELS] = {0.0f};
     int Phase = 0, NextPhase;
 
     From16ToFloat(In, &Storage[Phase][0], lut ->InputChannels);