Fix rand-sgx dep

Author: dingelish

sgx/gbdt-sgx/Cargo.toml

@@ -26,7 +26,7 @@ crate-type = ["rlib", "staticlib"]
 serde = { git = "https://github.com/mesalock-linux/serde-sgx" }
 serde_derive = { git = "https://github.com/mesalock-linux/serde-sgx" }
 serde_json = { git = "https://github.com/mesalock-linux/serde-json-sgx" }
-rand = { version = "0.7", optional = true, git = "https://github.com/mesalock-linux/rand-sgx", tag = "v0.6.5_sgx1.1.0" }
+rand = { version = "0.7", optional = true, git = "https://github.com/mesalock-linux/rand-sgx", tag = "v0.6.5_sgx1.1.1" }
 regex = { version = "1", git = "https://github.com/mesalock-linux/regex-sgx", optional = true }
 time = { version = "0.1", optional = true }
 sgx_tstd = { rev = "v1.1.1", git = "https://github.com/apache/teaclave-sgx-sdk", optional = true }