Perl 5.005_03 compatability: the precedence of the not and comma operators changed at some point, so disambiguate this usage.

webtools/PLIF/PLIF/Service/TemplateToolkit.pm

@@ -60,7 +60,7 @@ sub expand {
         # what we have here is a potential Template::Document
         # let's try to evaluate it
         $document = eval $string;
-        $self->assert(not(defined($@)), 1, "Error loading compiled template: $@");
+        $self->assert((not defined($@)), 1, "Error loading compiled template: $@");
     } else { # $type eq 'TemplateToolkit'
         # what we have is a raw string
         $document = \$string;