Update to v4.0.1 of device protocol

Author: bgok

build_pb.sh

@@ -1,14 +1,15 @@
 #!/bin/bash
 CURDIR=$(pwd)
 DEVICE_PROTO="device-protocol"
+DEVICE_PROTO_VERSION="v4.0.1"
 
 # Create a clean directory for the protobuf files
 if [ -d $DEVICE_PROTO ]
 then
     rm -rf $DEVICE_PROTO
 fi
 
-git clone --branch v4.0.0 --depth 1 https://github.com/keepkey/$DEVICE_PROTO.git $DEVICE_PROTO
+git clone --branch $DEVICE_PROTO_VERSION --depth 1 https://github.com/keepkey/$DEVICE_PROTO.git $DEVICE_PROTO
 cd $DEVICE_PROTO
 
 echo "Building with protoc version: $(protoc --version)"