Fixes warnings, spelling mistakes.

src/org/jitsi/impl/neomedia/jmfext/media/protocol/maccoreaudio/DataSource.java

@@ -13,7 +13,6 @@
 
 import org.jitsi.impl.neomedia.device.*;
 import org.jitsi.impl.neomedia.jmfext.media.protocol.*;
-import org.jitsi.util.*;
 
 /**
  * Implements <tt>DataSource</tt> and <tt>CaptureDevice</tt> for MacCoreaudio.
@@ -23,12 +22,6 @@
 public class DataSource
     extends AbstractPullBufferCaptureDevice
 {
-    /**
-     * The <tt>Logger</tt> used by the <tt>DataSource</tt> class and its
-     * instances for logging output.
-     */
-    private static final Logger logger = Logger.getLogger(DataSource.class);
-
     /**
      * The indicator which determines whether this <tt>DataSource</tt> will
      * use audio quality improvement in accord with the preferences of the user.

src/org/jitsi/impl/neomedia/jmfext/media/protocol/maccoreaudio/MacCoreaudioStream.java

@@ -41,6 +41,7 @@ public class MacCoreaudioStream
      * enabled for this <tt>MacCoreaudioStream</tt> in accord with the
      * preferences of the user.
      */
+    @SuppressWarnings("unused") // under development
     private final boolean audioQualityImprovement;
 
     /**