add vendoring with go dep

vendor/github.com/influxdata/influxdb/services/meta/file_windows.go

@@ -0,0 +1,14 @@
+package meta
+
+import "os"
+
+// renameFile will rename the source to target using os function. If target exists it will be removed before renaming.
+func renameFile(oldpath, newpath string) error {
+	if _, err := os.Stat(newpath); err == nil {
+		if err = os.Remove(newpath); nil != err {
+			return err
+		}
+	}
+
+	return os.Rename(oldpath, newpath)
+}