use individual pools instead of sub-pools for nua handles to avoid pool swell

libs/sofia-sip/.update

-Wed Jul  6 15:11:41 CDT 2011
+Mon Jul 11 17:37:21 CDT 2011

libs/sofia-sip/libsofia-sip-ua/nua/nua_common.c

@@ -109,7 +109,8 @@ nua_handle_t *nh_create_handle(nua_t *nua,
 
   assert(nua->nua_home);
 
-  if ((nh = su_home_clone(nua->nua_home, sizeof(*nh)))) {
+  //if ((nh = su_home_clone(nua->nua_home, sizeof(*nh)))) {
+  if ((nh = su_home_clone(NULL, sizeof(*nh)))) {
     nh->nh_valid = nua_valid_handle_cookie;
     nh->nh_nua = nua;
     nh->nh_magic = hmagic;