Put selected deletions into a block.

Track.C

@@ -211,6 +211,8 @@ Track::handle ( int m )
                 if ( retval && m == FL_RELEASE )
                     pushed = NULL;
 
+                Loggable::block_start();
+
                 while ( _delete_queue.size() )
                 {
 
@@ -219,6 +221,8 @@ Track::handle ( int m )
                     pushed = NULL;
                 }
 
+                Loggable::block_end();
+
                 return retval;
             }
             else