Merge pull request #363 from thaJeztah/19.03_backport_64align

[19.03 backport] atomic: patch 64bit alignment on 32bit systems

builder/builder-next/adapters/containerimage/pull.go

@@ -828,9 +828,9 @@ type resolverCache struct {
 }
 
 type cachedResolver struct {
+	counter int64 // needs to be 64bit aligned for 32bit systems
 	timeout time.Time
 	remotes.Resolver
-	counter int64
 }
 
 func (cr *cachedResolver) Resolve(ctx context.Context, ref string) (name string, desc ocispec.Descriptor, err error) {