Fix memory management error (don't free a linked list by freeing x

and _then_ setting x = x->next!).

[originally from svn r1445]

1 files changed, 4 insertions, 1 deletions

diff --git a/bk_xhtml.c b/bk_xhtml.c
index 4dc9710..5bc52cf 100644
--- a/bk_xhtml.c
+++ b/bk_xhtml.c
@@ -596,11 +596,14 @@ void xhtml_backend(paragraph *sourceform, keywordlist *in_keywords, index *in_id
   xhtml_do_index();
 
   /* release file, section, index data structures */
-  for (xsect = topsection; xsect!=NULL; xsect=xsect->chain) {
+  xsect = topsection;
+  while (xsect) {
+    xhtmlsection *tmp = xsect->chain;
     if (xsect->fragment) {
       sfree(xsect->fragment);
     }
     sfree(xsect);
+    xsect = tmp;
   }
   xhtml_free_file(topfile);
   for (ti = 0; (ientry=(indexentry *)index234(idx->entries, ti))!=NULL; ti++) {