Fixed typo in serial attachment saving function
Fixed typo in serial attachment saving function

GeoODK/formhub,ultimateprogramer/formhub,wesley1001/formhub,wesley1001/formhub,SEL-Columbia/formhub,SEL-Columbia/formhub,GeoODK/formhub,ultimateprogramer/formhub,SEL-Columbia/formhub,GeoODK/formhub,wesley1001/formhub,wesley1001/formhub,ultimateprogramer/formhub,ultimateprogramer/formhub,SEL-Columbia/formhub