engine: client: disabled voice on legacy protocol servers

engine/client/cl_main.c

@@ -1514,6 +1514,7 @@ void CL_Disconnect( void )
 
 	// clear the network channel, too.
 	Netchan_Clear( &cls.netchan );
+	Voice_RecordStop();
 
 	IN_LockInputDevices( false ); // unlock input devices
 

engine/client/s_main.c

@@ -1868,7 +1868,7 @@ S_VoiceRecordStart_f
 */
 void S_VoiceRecordStart_f( void )
 {
-	if( cls.state != ca_active )
+	if( cls.state != ca_active || cls.legacymode )
 		return;
 	
 	Voice_RecordStart();