imap4d: further improvements.

* imap4d/sync.c (notify): Do not emit FETCH replies for recent
messages.

@@ -81,6 +81,7 @@ notify (void)
     }
   else 
     {
+      size_t old_total = attr_table_count;
       size_t i;
 
       realloc_attributes (total);
@@ -94,6 +95,8 @@ notify (void)
 	  mu_message_get_attribute (msg, &nattr);
 	  mu_attribute_get_flags (nattr, &nflags);
 
+	  if (i <= old_total)
+	    {
 	      if (nflags != attr_table[i-1])
 		{
 		  io_sendf ("* %lu FETCH FLAGS (",  (unsigned long) i);
@@ -102,6 +105,9 @@ notify (void)
 		  attr_table[i-1] = nflags;
 		}
 	    }
+	  else
+	    attr_table[i-1] = nflags;
+	}
     }
   
   io_untagged_response (RESP_NONE, "%lu EXISTS", (unsigned long) total);