ipa-client-install: output a warning if sudo is not present (2)

Fixes: https://pagure.io/freeipa/issue/8530
Signed-off-by: François Cami <fcami@redhat.com>
Reviewed-By: Armando Neto <abiagion@redhat.com>

ipaclient/install/client.py

@@ -2205,7 +2205,7 @@ def install_check(options):
     # available.
     if options.conf_sudo:
         try:
-            subprocess.Popen(['sudo -V'])
+            subprocess.Popen(['sudo', '-V'])
         except FileNotFoundError:
             logger.info(
                 "The sudo binary does not seem to be present on this "