Fixing bug 3610: not add prerequisite to full kit if there is no 'prerequisite' in kit.conf of partial kit

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@16579 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-buildkit/bin/buildkit

@@ -3077,13 +3077,14 @@ sub kit_addpkgs
     my @lines = <$CKF>;
     close $CKF;
 
+    $::PREREQUISITE = 1;
     foreach my $l (@lines) {
         # skip blank and comment lines
         if ( $l =~ /^\s*$/ || $l =~ /^\s*#/ ) {
             next;
         }
         if ($l =~ /prerequisite/ ) {
-            $::PREREQUISITE = 1;
+            $::PREREQUISITE = 0;
         }
     }