Init fDevKLMMatrix in GrGLCubicEffect (possible valgrind fix)

TBR=bsalomon@google.com

Change-Id: I97357291d6d4098caecc9ac37348c9b9436ce11b
Reviewed-on: https://skia-review.googlesource.com/19442
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/effects/GrBezierEffect.cpp b/src/gpu/effects/GrBezierEffect.cpp
index 54a2e85..d45cd75 100644
--- a/src/gpu/effects/GrBezierEffect.cpp
+++ b/src/gpu/effects/GrBezierEffect.cpp
@@ -529,7 +529,9 @@
 };
 
 GrGLCubicEffect::GrGLCubicEffect(const GrGeometryProcessor& processor)
-    : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL) {
+    : fViewMatrix(SkMatrix::InvalidMatrix())
+    , fDevKLMMatrix(SkMatrix::InvalidMatrix())
+    , fColor(GrColor_ILLEGAL) {
     const GrCubicEffect& ce = processor.cast<GrCubicEffect>();
     fEdgeType = ce.getEdgeType();
 }