more cvsignores, comment thread libs in configure.in

diff --git a/pdf/xpdf/PDFDoc.cc b/pdf/xpdf/PDFDoc.cc
index 29abba05cf254e608464a0ce40922d1370dab5db..683e4d2d69d0cc18259fd5254789e32fca7482d3 100644 (file)
--- a/pdf/xpdf/PDFDoc.cc
+++ b/pdf/xpdf/PDFDoc.cc
@@ -187,6 +187,7 @@ void PDFDoc::displayPage(OutputDev *out, int page, double zoom,
   if (doLinks) {
     if (links) {
       delete links;
+      links = NULL;
     }
     getLinks(p);
     p->display(out, zoom, rotate, links, catalog);