Fixing "used only once" errors flagged by tinderbox on the last checkin.

bug_form.pl

@@ -32,6 +32,7 @@ sub bug_form_pl_sillyness {
     my $zz;
     $zz = %::FORM;
     $zz = %::components;
+    $zz = %::proddesc;
     $zz = %::prodmaxvotes;
     $zz = %::versions;
     $zz = @::legal_keywords;

post_bug.cgi

@@ -33,6 +33,7 @@ require "CGI.pl";
 sub sillyness {
     my $zz;
     $zz = $::buffer;
+    $zz = $::usergroupset;
     $zz = %::COOKIE;
     $zz = %::components;
     $zz = %::versions;