dboard: Made dboard class dtors virtual

- Interface and all base classes have virtual destructors
- Wrapped UBX dtor in UHD_SAFE_CALL

1 files changed, 1 insertions, 1 deletions

diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp
index 92e9d331c..0f84cd68a 100644
--- a/host/lib/usrp/dboard/db_tvrx.cpp
+++ b/host/lib/usrp/dboard/db_tvrx.cpp
@@ -134,7 +134,7 @@ static const double reference_freq = 4.0e6;
 class tvrx : public rx_dboard_base{
 public:
     tvrx(ctor_args_t args);
-    ~tvrx(void);
+    virtual ~tvrx(void);
 
 private:
     uhd::dict<std::string, double> _gains;