#135 ipmi_fru_write_from_bin() needs return value

[Zdenek Styblik]

Function ipmi_fru_write_from_bin() in 'lib/ipmi_fru.c' needs a return value. Since FS operation is involved and since this function is called straight away, return value is a must. As of now, there is no way to determine whether function ended with success or not.