Fix transitions for image_download and activation

Change-Id: I713ada52eef9d275c7d7596026e178c7382e8335
diff --git a/vendor/golang.org/x/sys/unix/syscall_solaris.go b/vendor/golang.org/x/sys/unix/syscall_solaris.go
index 62f968c..0e2a696 100644
--- a/vendor/golang.org/x/sys/unix/syscall_solaris.go
+++ b/vendor/golang.org/x/sys/unix/syscall_solaris.go
@@ -391,7 +391,7 @@
 		for n < len(pp.Path) && pp.Path[n] != 0 {
 			n++
 		}
-		bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+		bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
 		sa.Name = string(bytes)
 		return sa, nil