Fix SkTableColorFilter deserialization validation.

src/effects/SkTableColorFilter.cpp

Index: src/effects/SkTableColorFilter.cpp
diff --git a/src/effects/SkTableColorFilter.cpp b/src/effects/SkTableColorFilter.cpp
index 88b4a4bf4bbfe9ea366cb46bdbe2b8ed64142c3c..4853f73e5c1e7461500b4906a6d145f9275ece65 100644
--- a/src/effects/SkTableColorFilter.cpp
+++ b/src/effects/SkTableColorFilter.cpp
@@ -198,7 +198,7 @@ SkFlattenable* SkTable_ColorFilter::CreateProc(SkReadBuffer& buffer) {
     uint8_t unpackedStorage[4*256];
     size_t unpackedSize = SkPackBits::Unpack8(packedStorage, packedSize, unpackedStorage);
     // now check that we got the size we expected
-    if (!buffer.validate(unpackedSize != count*256)) {
+    if (!buffer.validate(unpackedSize == count*256)) {
         return NULL;
     }