gopsutil/disk
Remy Mathieu fda98ebc34 disk: trim the device mapper name.
While reading the value of the file with `ioutil.ReadFile`,
the name is suffixed with a `\n`

Tested on Ubuntu 18.10
..
disk.go [disk][linux] add label based on devicemapper name of disk
disk_darwin.go disk: Check for error objects returned by Getfsstat
disk_darwin.h disk_darwin: Add support for IOCounters using IOKit
disk_darwin_386.go [disk] darwin i386: add definition for darwin/386
disk_darwin_amd64.go [disk] darwin i386: add definition for darwin/386
disk_darwin_arm64.go [disk] darwin i386: add definition for darwin/386
disk_darwin_cgo.go Add WithContext functions.
disk_darwin_nocgo.go Add WithContext functions.
disk_fallback.go Add WithContext functions.
disk_freebsd.go disk: Check for error objects returned by Getfsstat
disk_freebsd_386.go
disk_freebsd_amd64.go
disk_linux.go disk: trim the device mapper name.
disk_openbsd.go disk: Check for error objects returned by Getfsstat
disk_openbsd_amd64.go run go fmt ./...
disk_solaris.go Add WithContext functions.
disk_test.go [disk]linux: fix test
disk_unix.go [disk] add an comment.
disk_windows.go Merge pull request #613 from tmm1/allow-a-b-windows-drives
types_freebsd.go
types_openbsd.go run go fmt ./...