Change warning message to debug, since there are cases where 0 results is perfectly fine.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@114829 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_config_pgsql.c

@@ -204,8 +204,7 @@ static struct ast_variable *realtime_pgsql(const char *database, const char *tab
 		}
 		ast_free(fieldnames);
 	} else {
-		ast_log(LOG_WARNING,
-				"Postgresql RealTime: Could not find any rows in table %s.\n", table);
+		ast_log(LOG_DEBUG, "Postgresql RealTime: Could not find any rows in table %s.\n", table);
 	}
 
 	ast_mutex_unlock(&pgsql_lock);