[tools] testbot/cgi: Mark an unused variable as such.

[Francois Gouget]

Signed-off-by: Francois Gouget 
---
It's really just a naming convention.
---
 testbot/lib/ObjectModel/CGI/FormPage.pm | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/testbot/lib/ObjectModel/CGI/FormPage.pm b/testbot/lib/ObjectModel/CGI/FormPage.pm
index 0ac599e137..03ddea64f2 100644
--- a/testbot/lib/ObjectModel/CGI/FormPage.pm
+++ b/testbot/lib/ObjectModel/CGI/FormPage.pm
@@ -391,8 +391,7 @@ sub Save($)

return !1 if (!$self->SaveProperties());

-  my $ErrKey;
-  ($ErrKey, $self->{ErrField}, $self->{ErrMessage}) = $self->{Collection}->Save();
+  (my $_ErrKey, $self->{ErrField}, $self->{ErrMessage}) = $self->{Collection}->Save();
   return ! defined($self->{ErrMessage});
 }