Minor style fixes in Linux tests

libuavcan_drivers/linux/test/test_clock.cpp

@@ -34,7 +34,10 @@ int main()
         break;
     }
     default:
+    {
         std::abort();
+        break;
+    }
     }
     std::cout << std::endl;
 

libuavcan_drivers/linux/test/test_node.cpp

@@ -65,7 +65,7 @@ static void runForever(const uavcan_linux::NodePtr& node)
      */
     struct NodeStatusMonitor : public uavcan::NodeStatusMonitor
     {
-        NodeStatusMonitor(uavcan::INode& node) : uavcan::NodeStatusMonitor(node) { }
+        explicit NodeStatusMonitor(uavcan::INode& node) : uavcan::NodeStatusMonitor(node) { }
 
         virtual void handleNodeStatusChange(const NodeStatusChangeEvent& event)
         {

libuavcan_drivers/linux/test/test_node_status_monitor.cpp

@@ -20,7 +20,7 @@ struct OstreamColorizer
         Magenta = 35,
         Default = 39
     };
-    OstreamColorizer(Color color = Default) : color_(color) { }
+    explicit OstreamColorizer(Color color = Default) : color_(color) { }
     friend std::ostream& operator<<(std::ostream& os, const OstreamColorizer& mod)
     {
         return os << "\033[" << int(mod.color_) << "m";
@@ -94,7 +94,7 @@ class Monitor : public uavcan::NodeStatusMonitor
     }
 
 public:
-    Monitor(uavcan_linux::NodePtr node)
+    explicit Monitor(uavcan_linux::NodePtr node)
         : uavcan::NodeStatusMonitor(*node)
         , timer_(node->makeTimer(uavcan::MonotonicDuration::fromMSec(500),
                                  std::bind(&Monitor::redraw, this, std::placeholders::_1)))

libuavcan_drivers/linux/test/test_socket.cpp

@@ -323,6 +323,7 @@ static void testDriver(const std::vector<std::string>& iface_names)
             default:
             {
                 ENFORCE(false);
+                break;
             }
             }
         }