Fix wasmi compile
diff --git a/samplecode/wasmi/enclave/sgxwasm/Cargo.toml b/samplecode/wasmi/enclave/sgxwasm/Cargo.toml
index fb6d50d..9144799 100644
--- a/samplecode/wasmi/enclave/sgxwasm/Cargo.toml
+++ b/samplecode/wasmi/enclave/sgxwasm/Cargo.toml
@@ -5,7 +5,7 @@
 
 [dependencies]
 wasmi = { git = "https://github.com/mesalock-linux/wasmi-sgx" }
-wabt = { git = "https://github.com/mesalock-linux/wabt-rs-sgx", branch = "v0.6.0-core" }
+wabt = { git = "https://github.com/mesalock-linux/wabt-rs-sgx", branch = "v0.9-core" }
 serde = { git = "https://github.com/mesalock-linux/serde-sgx" }
 serde_derive = { git = "https://github.com/mesalock-linux/serde-sgx" }
 
diff --git a/samplecode/wasmi/enclave/sgxwasm/src/lib.rs b/samplecode/wasmi/enclave/sgxwasm/src/lib.rs
index f1c3cf1..0a5ed71 100644
--- a/samplecode/wasmi/enclave/sgxwasm/src/lib.rs
+++ b/samplecode/wasmi/enclave/sgxwasm/src/lib.rs
@@ -152,6 +152,7 @@
         Value::I64(v) => RuntimeValue::I64(v),
         Value::F32(v) => RuntimeValue::F32(v.into()),
         Value::F64(v) => RuntimeValue::F64(v.into()),
+        _             => panic!("Not supported yet!"),
     }
 }