proto/config: Explicit linux user message

Signed-off-by: Vincent Batts <[email protected]>

Author: vbatts

proto/config.proto

@@ -64,13 +64,13 @@ enum PlatformType {
 message User {
 	// Type so that receivers of this message can `switch` for the fields expected
 	optional PlatformType Type = 1 [default = LINUX];
-	// LinuxUserFields are to be used when Type is LINUX
-	optional linuxUserFields LinuxUserFields = 2;
+
+	optional LinuxUser LinuxUser = 2;
 }
 
 // User specifies linux specific user and group information for the container's
 // main process.
-message linuxUserFields {
+message LinuxUser {
 	// UID is the user id.
 	optional int32 UID = 1;
 	// GID is the group id.