Update fuzz.h

Author: Google-Autofuzz

src/test_lib_json/fuzz.h

@@ -7,7 +7,7 @@
 #define FUZZ_H_INCLUDED
 
 #include <cstddef>
-#include <cstdint>
+#include <stdint.h>
 
 int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);