Fix build on macOS 10.14.2 (#1509)

This commit is contained in:
Austin Shalit
2018-12-25 20:58:04 -08:00
committed by Peter Johnson
parent f3864e9abb
commit 8ac4b113a5
2 changed files with 5 additions and 0 deletions

View File

@@ -19,6 +19,8 @@ enum class PIDSourceType { kDisplacement, kRate };
*/
class PIDSource {
public:
virtual ~PIDSource() = default;
/**
* Set which parameter you are using as a process control variable.
*