Fix script making bug
diff --git a/xos/services/vpn/models.py b/xos/services/vpn/models.py
index 6b76575..4f8a3c8 100644
--- a/xos/services/vpn/models.py
+++ b/xos/services/vpn/models.py
@@ -262,6 +262,7 @@
         for line in self.get_client_cert(client_name):
             script += (line.rstrip() + r"\n")
         script += ("\" > " + client_name + ".crt\n")
+        script += ("printf \"%b\" \"")
         for line in self.get_client_key(client_name):
             script += (line.rstrip() + r"\n")
         script += ("\" > " + client_name + ".key\n")