Fixed bad memory access

src/core/SkValidatingReadBuffer.cpp

Index: src/core/SkValidatingReadBuffer.cpp
diff --git a/src/core/SkValidatingReadBuffer.cpp b/src/core/SkValidatingReadBuffer.cpp
index a92c1b9b6fb7d527584661676d9e61f04d9a11fc..4a8ac472472fcbd0edcc77a1d4021ac164df5c9b 100644
--- a/src/core/SkValidatingReadBuffer.cpp
+++ b/src/core/SkValidatingReadBuffer.cpp
@@ -203,7 +203,7 @@ bool SkValidatingReadBuffer::readScalarArray(SkScalar* values, size_t size) {
 uint32_t SkValidatingReadBuffer::getArrayCount() {
     const size_t inc = sizeof(uint32_t);
     fError = fError || !IsPtrAlign4(fReader.peek()) || !fReader.isAvailable(inc);
-    return *(uint32_t*)fReader.peek();
+    return fError ? 0 : *(uint32_t*)fReader.peek();
 }
 
 void SkValidatingReadBuffer::readBitmap(SkBitmap* bitmap) {