Scala: fix some warnings

src/MessageActivity.scala

@@ -164,8 +164,6 @@ class MessageActivity extends StationHelper(R.string.app_messages)
 		view.getId match {
 		case R.id.msgsend =>
 			sendMessage()
-			true
-		case _ => false
 		}
 	}
 

src/ServiceNotifier.scala

@@ -9,7 +9,7 @@ import _root_.android.graphics.Color
 
 
 object ServiceNotifier {
-	val instance = if (Build.VERSION.SDK.toInt < 5) new DonutNotifier() else new EclairNotifier()
+	val instance = if (Build.VERSION.SDK_INT < 5) new DonutNotifier() else new EclairNotifier()
 }
 
 abstract class ServiceNotifier {

src/backend/BluetoothTnc.scala

@@ -121,7 +121,7 @@ class BluetoothTnc(service : AprsService, prefs : PrefsWrapper) extends AprsBack
 						log("Reconnecting in 3s...")
 						try {
 							Thread.sleep(3*1000)
-						} catch { case _ => }
+						} catch { case _ : InterruptedException => }
 						init_socket()
 						need_reconnect = false
 						service.postLinkOn(R.string.p_link_bt)
@@ -143,7 +143,7 @@ class BluetoothTnc(service : AprsService, prefs : PrefsWrapper) extends AprsBack
 								service.postAddPost(StorageDatabase.Post.TYPE_INFO,
 									R.string.post_error, e.toString())
 							e.printStackTrace()
-						} catch { case _ => Log.d(TAG, "Yo dawg! I got an exception while getting an exception!")
+						} catch { case _ : Exception => Log.d(TAG, "Yo dawg! I got an exception while getting an exception!")
 						}
 				}
 			}
@@ -154,7 +154,7 @@ class BluetoothTnc(service : AprsService, prefs : PrefsWrapper) extends AprsBack
 			try {
 				proto.writePacket(packet)
 				"Bluetooth OK"
-			} catch { case e => e.printStackTrace(); conn.socket.close(); "Bluetooth disconnected" }
+			} catch { case e : Exception => e.printStackTrace(); conn.socket.close(); "Bluetooth disconnected" }
 		}
 
 		def catchLog(tag : String, fun : ()=>Unit) {

src/tncproto/KissProto.scala

@@ -50,7 +50,7 @@ class KissProto(service : AprsService, is : InputStream, os : OutputStream) exte
 					try {
 						return Parser.parseAX25(buf.toArray).toString().trim()
 					} catch {
-						case e => buf.clear()
+						case e : Exception => buf.clear()
 					}
 				}
 			case FESC => is.read() match {