These tools never supported passing an argument to --version, this is
a copy+paste mistake from virsh, which did support an argument.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 tools/virt-login-shell-helper.c | 2 +-
 tools/virt-pki-query-dn.c       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/virt-login-shell-helper.c b/tools/virt-login-shell-helper.c
index 1627ba85e5..cb59b5dec0 100644
--- a/tools/virt-login-shell-helper.c
+++ b/tools/virt-login-shell-helper.c
@@ -180,7 +180,7 @@ main(int argc, char **argv)
 
     struct option opt[] = {
         { "help", no_argument, NULL, 'h' },
-        { "version", optional_argument, NULL, 'V' },
+        { "version", no_argument, NULL, 'V' },
         { NULL, 0, NULL, 0 },
     };
     if (virInitialize() < 0) {
diff --git a/tools/virt-pki-query-dn.c b/tools/virt-pki-query-dn.c
index c8196e32e3..5bf6717c4f 100644
--- a/tools/virt-pki-query-dn.c
+++ b/tools/virt-pki-query-dn.c
@@ -62,7 +62,7 @@ main(int argc,
 
     struct option opt[] = {
         { "help", no_argument, NULL, 'h' },
-        { "version", optional_argument, NULL, 'v' },
+        { "version", no_argument, NULL, 'v' },
         { NULL, 0, NULL, 0 },
     };
 
-- 
2.43.0