Fixing directory paths for azure blobs

Signed-off-by: Dan Kozlowski <[email protected]>

go.mod

@@ -49,9 +49,6 @@ require (
 	github.com/mattn/go-isatty v0.0.11 // indirect
 	github.com/mattn/go-runewidth v0.0.1 // indirect
 	github.com/minio/minio-go v0.0.0-20190131015406-c8a261de75c1
-	github.com/mitchellh/go-testing-interface v1.0.0 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/olekukonko/tablewriter v0.0.0-20160115111002-cca8bbc07984
 	github.com/opentracing-contrib/go-grpc v0.0.0-20180928155321-4b5a12d3ff02
 	github.com/opentracing/opentracing-go v1.1.0

go/vt/mysqlctl/azblobbackupstorage/azblob.go

@@ -244,7 +244,7 @@ func (bs *AZBlobBackupStorage) ListBackups(ctx context.Context, dir string) ([]b
 	for _, subdir := range subdirs {
 		result = append(result, &AZBlobBackupHandle{
 			bs:       bs,
-			dir:      dir,
+			dir:      strings.Join([]string{dir, subdir}, "/"),
 			name:     subdir,
 			readOnly: true,
 		})