Check_MK Werk 8668: ipmi: fixed handling of units containing spaces

ID: 8668 Title: ipmi: fixed handling of units containing spaces Component: Checks & agents Level: 1 Class: Bug fix Version: 1.4.0b4 Fixed ipmi check in case agent provides units like "Degrees C", containing spaces. Those units cause issues with RRD creation. Spaces are now replaces by underscores.