deps: revendor

Signed-off-by: Stephan Renatus <srenatus@chef.io>

vendor/gopkg.in/ldap.v2/atomic_value.go

@@ -0,0 +1,13 @@
+// +build go1.4
+
+package ldap
+
+import (
+	"sync/atomic"
+)
+
+// For compilers that support it, we just use the underlying sync/atomic.Value
+// type.
+type atomicValue struct {
+	atomic.Value
+}