Activates microphone sensibility modification via Windows CoreAudio (64bits...

Activates microphone sensibility modification via Windows CoreAudio (64bits version only for Vista/7/8).

src/native/windows/coreaudio/lib/device.c

@@ -49,9 +49,6 @@ DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName,           0xa45c254e, 0xdf1c, 0x4ef
  */
 int initDevices(void)
 {
-    fprintf(stderr,
-            "initDevices (coreaudio/device.c): \n");
-    fflush(stderr);
     if(CoInitializeEx(NULL, COINIT_MULTITHREADED) != S_OK)
     {
         fprintf(stderr,
@@ -69,9 +66,6 @@ int initDevices(void)
  */
 void freeDevices(void)
 {
-    fprintf(stderr,
-            "freeDevices (coreaudio/device.c): \n");
-    fflush(stderr);
     CoUninitialize();
 }
 

src/org/jitsi/impl/neomedia/MediaServiceImpl.java

@@ -756,7 +756,7 @@ public VolumeControl getInputVolumeControl()
                             this,
                             VolumeControl.CAPTURE_VOLUME_LEVEL_PROPERTY_NAME);
             }
-            /*else if(OSUtils.IS_WINDOWS_VISTA
+            else if(OSUtils.IS_WINDOWS_VISTA
                     || OSUtils.IS_WINDOWS_7
                     || OSUtils.IS_WINDOWS_8)
             {
@@ -765,7 +765,7 @@ public VolumeControl getInputVolumeControl()
                     org.jitsi.impl.neomedia.wincoreaudio.CoreAudioVolumeControl(
                             this,
                             VolumeControl.CAPTURE_VOLUME_LEVEL_PROPERTY_NAME);
-            }*/
+            }
             else
             {
                 inputVolumeControl