Just getting rid of the deprecated use of 'defined' for checking the existance of an array.

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6996 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/lib/xcat/monitoring/monitorctrl.pm

@@ -715,7 +715,7 @@ sub refreshProductList {
   my $table=xCAT::Table->new("monitoring", -create =>1);
   if ($table) {
     my @tmp1=$table->getAllAttribs(('name','nodestatmon'));
-    if (defined(@tmp1) && (@tmp1 > 0)) {
+    if (@tmp1 && (@tmp1 > 0)) {
       foreach(@tmp1) {
         my $pname=$_->{name};