fix compile issue

liangchenye · liangchenye · commit 286d437b6efa · 2017-09-30T10:06:14.000+08:00
Signed-off-by: Liang Chenye &lt;liangchenye@huawei.com&gt;
diff --git a/validate/validate.go b/validate/validate.go
@@ -10,6 +10,7 @@ import (
 	"os"
 	"path/filepath"
 	"reflect"
+	"regexp"
 	"runtime"
 	"strings"
 	"syscall"
