Include <utility> for std::move

tests/gtest/avif_fuzztest_enc_dec_layered.cc

diff --git a/tests/gtest/avif_fuzztest_enc_dec_layered.cc b/tests/gtest/avif_fuzztest_enc_dec_layered.cc
index ddc2eb0..8314812 100644
--- a/tests/gtest/avif_fuzztest_enc_dec_layered.cc
+++ b/tests/gtest/avif_fuzztest_enc_dec_layered.cc
@@ -4,6 +4,7 @@
 #include <array>
 #include <cstddef>
 #include <cstdint>
+#include <utility>
 #include <vector>
 
 #include "avif/avif.h"