acme: fix bad nonce retry counter

Actually return the error on the 3rd try.

Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>

src/acme/client.rs

@@ -662,9 +662,10 @@ const fn retry() -> Retry {
 impl Retry {
     fn tick(&mut self) -> Result<(), Error> {
         if self.0 >= 3 {
-            Error::Client(format!("kept getting a badNonce error!"));
-        }
+            Err(Error::Client(format!("kept getting a badNonce error!")))
+        } else {
             self.0 += 1;
             Ok(())
         }
+    }
 }