- relax db_init BUG check (allow db init from fixup functions)

(SER-227 related)

modules/db_postgres/dbase.c

@@ -230,10 +230,9 @@ db_con_t* pg_init(const char* url)
 	res = 0;
 
 	/* if called from PROC_MAIN, allow it only from mod_init( when pt==0)*/
-	if (is_main && pt){
+	if (is_main && fixup_complete){
 		LOG(L_ERR, "BUG: postgres: pg_init: called from the main process,"
 					" ignoring...\n");
-		return 0;
 	}
 	if (!url) {
 		ERR("Invalid parameter value\n");