Salesforce.com faces scrutiny as Wall St frets over cloud software

By Noel Randewich SAN FRANCISCO (Reuters) - Salesforce.com's quarterly report will be under the microscope after the bell on Wednesday as Wall Street searches for new signs of trouble in spending on cloud software. The world's largest maker of online sales software is seen as a barometer for the cloud-computing sector, where valuations took a major hit earlier this month after a dismal sales outlook from Tableau Software . With investors trying to figure out whether the poor reports from Tableau