(remove_loc_no): srealloc() or sfree() the read_ranges if we remove a range.

src/server/membership.c

 /*
- * $Id: membership.c,v 0.80 2002/11/15 17:15:12 ceder Exp $
+ * $Id: membership.c,v 0.81 2002/11/26 11:05:43 ceder Exp $
  * Copyright (C) 1991-2002  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -680,6 +680,16 @@ remove_loc_no(Local_text_no   text,
 	for (move = lo; move < (end-1); move++)
 	    *move = *(move+1);
 	m->no_of_read_ranges--;
+	if (m->no_of_read_ranges == 0)
+	{
+	    sfree(m->read_ranges);
+	    m->read_ranges = NULL;
+	}
+	else
+	    m->read_ranges = srealloc(
+		m->read_ranges,
+		m->no_of_read_ranges * sizeof(m->read_ranges[0]));
+
 	return;
     }