Update vendor

vendor/github.com/theupdateframework/notary/fips.go

@@ -0,0 +1,14 @@
+package notary
+
+import (
+	"crypto"
+	// Need to import md5 so can test availability.
+	_ "crypto/md5" // #nosec
+)
+
+// FIPSEnabled returns true if running in FIPS mode.
+// If compiled in FIPS mode the md5 hash function is never available
+// even when imported. This seems to be the best test we have for it.
+func FIPSEnabled() bool {
+	return !crypto.MD5.Available()
+}