Launchpad: set midi port names

Launchpad.cpp

@@ -15,7 +15,7 @@ Launchpad::Launchpad(const std::string clientName)
     {
         if(midiout.getPortName(i).find("Launchpad") != std::string::npos)
         {
-	        midiout.openPort(i);
+	        midiout.openPort(i, "Launchpad out");
             break;
         }
     }
@@ -28,7 +28,7 @@ Launchpad::Launchpad(const std::string clientName)
     {
         if(midiin.getPortName(i).find("Launchpad") != std::string::npos)
         {
-	        midiin.openPort(i);
+	        midiin.openPort(i, "Launchpad in");
             break;
         }
     }