Fix parsing after fixing wrong..
Fix parsing after fixing wrong..

..'result_indicator_period_actual' model relationships. See: #794

zimmerman-zimmerman/OIPA,zimmerman-zimmerman/OIPA,zimmerman-zimmerman/OIPA,zimmerman-zimmerman/OIPA,zimmerman-zimmerman/OIPA,openaid-IATI/OIPA,openaid-IATI/OIPA,openaid-IATI/OIPA,openaid-IATI/OIPA,openaid-IATI/OIPA