Renames to fix clashes with reserved words.

internal/backend/azure/azure.go

@@ -419,10 +419,10 @@ func (be *Backend) List(ctx context.Context, t backend.FileType, fn func(backend
 		prefix += "/"
 	}
 
-	max := int32(be.listMaxItems)
+	maxI := int32(be.listMaxItems)
 
 	opts := &azContainer.ListBlobsFlatOptions{
-		MaxResults: &max,
+		MaxResults: &maxI,
 		Prefix:     &prefix,
 	}
 	lister := be.container.NewListBlobsFlatPager(opts)

internal/backend/shell_split.go

@@ -47,8 +47,8 @@ func SplitShellStrings(data string) (strs []string, err error) {
 
 	// derived from strings.SplitFunc
 	fieldStart := -1 // Set to -1 when looking for start of field.
-	for i, rune := range data {
-		if s.isSplitChar(rune) {
+	for i, r := range data {
+		if s.isSplitChar(r) {
 			if fieldStart >= 0 {
 				strs = append(strs, data[fieldStart:i])
 				fieldStart = -1