No longer expose hex module from protobuf

Author: stepancheg

protobuf/src/hex.rs protobuf-test-common/src/hex.rsprotobuf/src/hex.rs renamed to protobuf-test-common/src/hex.rs

@@ -9,5 +9,6 @@ extern crate log;
 mod test;
 
 pub mod build;
+pub mod hex;
 
 pub use test::*;

protobuf-test-common/src/lib.rs

@@ -1,5 +1,5 @@
-use protobuf::hex::encode_hex;
-use protobuf::hex::decode_hex;
+use hex::encode_hex;
+use hex::decode_hex;
 
 use protobuf::*;
 

protobuf-test-common/src/test.rs

@@ -1,8 +1,7 @@
-use protobuf::hex::decode_hex;
-
 use protobuf::*;
 
 use protobuf_test_common::*;
+use protobuf_test_common::hex::decode_hex;
 
 use super::test_basic_pb::*;
 

protobuf-test/src/common/v2/test_basic.rs

@@ -55,7 +55,9 @@ pub mod well_known_types;
 pub mod ext;
 
 // used by test
-pub mod hex;
+#[cfg(test)]
+#[path = "../../protobuf-test-common/src/hex.rs"]
+mod hex;
 
 // used by rust-grpc
 pub mod descriptorx;