C++ bindings: A struct's Deserialize() now does validation before deserializing.

examples/serialization/main.cc

Index: examples/serialization/main.cc
diff --git a/examples/serialization/main.cc b/examples/serialization/main.cc
index 9b0a96d69f698e48159ed952964ac766d65a0a66..381ab9722e7386a173d851c74b9597ec52d1a79f 100644
--- a/examples/serialization/main.cc
+++ b/examples/serialization/main.cc
@@ -19,8 +19,7 @@ int main() {
 
   char buf[1000];
   MOJO_CHECK(in.Serialize(buf, sizeof(buf)));
-
-  out.Deserialize(buf);
+  MOJO_CHECK(out.Deserialize(buf, sizeof(buf)));
   MOJO_CHECK(out.a == 1);
   MOJO_CHECK(out.b == 2.0f);
   MOJO_CHECK(out.c == "hello world!");