VOL-4925 - Build and release components.

VERSION
-------
  o Bump version file for release.

Misc/
-----
  o Update copyright notice to force a release build.

Change-Id: I49f5c11b24f5b0e7fd9ab1eee1a98fef271a2a52
diff --git a/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go b/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go
new file mode 100644
index 0000000..fc9bea7
--- /dev/null
+++ b/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go
@@ -0,0 +1,15 @@
+// +build appengine
+
+// This file contains the safe implementations of otherwise unsafe-using code.
+
+package xxhash
+
+// Sum64String computes the 64-bit xxHash digest of s.
+func Sum64String(s string) uint64 {
+	return Sum64([]byte(s))
+}
+
+// WriteString adds more data to d. It always returns len(s), nil.
+func (d *Digest) WriteString(s string) (n int, err error) {
+	return d.Write([]byte(s))
+}