* Added allocation comment on flag 4.

usr_avp.h

@@ -41,6 +41,7 @@
  *     0        avp_core          avp has a string name
  *     1        avp_core          avp has a string value
  *     3        avpops module     avp was loaded from DB
+ *     4        lcr module        contact avp qvalue change
  *
  */