updating github.com/spf13/afero to v1.2.2

vendor/github.com/spf13/afero/util.go

@@ -20,7 +20,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -46,7 +45,7 @@ func WriteReader(fs Fs, path string, r io.Reader) (err error) {
 		err = fs.MkdirAll(ospath, 0777) // rwx, rw, r
 		if err != nil {
 			if err != os.ErrExist {
-				log.Panicln(err)
+				return err
 			}
 		}
 	}
@@ -157,7 +156,7 @@ func UnicodeSanitize(s string) string {
 	return string(target)
 }
 
-// Transform characters with accents into plan forms
+// Transform characters with accents into plain forms.
 func NeuterAccents(s string) string {
 	t := transform.Chain(norm.NFD, transform.RemoveFunc(isMn), norm.NFC)
 	result, _, _ := transform.String(t, string(s))
@@ -295,10 +294,10 @@ func IsEmpty(fs Fs, path string) (bool, error) {
 	}
 	if fi.IsDir() {
 		f, err := fs.Open(path)
-		defer f.Close()
 		if err != nil {
 			return false, err
 		}
+		defer f.Close()
 		list, err := f.Readdir(-1)
 		return len(list) == 0, nil
 	}