Pullup ticket #3451 - requested by tron

Pullup ticket #3451 - requested by tron
textproc/libxml2 security update

Revisions pulled up:
- textproc/libxml2/Makefile                                     1.109
- textproc/libxml2/distinfo                                     1.83
- textproc/libxml2/patches/patch-ak                             1.2
- textproc/libxml2/patches/patch-al                             1.1

---
   Module Name:	pkgsrc
   Committed By:	drochner
   Date:		Mon Jun  6 12:09:01 UTC 2011

   Modified Files:
   	pkgsrc/textproc/libxml2: Makefile distinfo
   	pkgsrc/textproc/libxml2/patches: patch-ak
   Added Files:
   	pkgsrc/textproc/libxml2/patches: patch-al

   Log Message:
   addmore patches from upstream:
   -fix more potential problems on reallocation failures (CVE-2011-1944)
   -Fix memory corruption
   also replace an error handling which doesn't recover from
   integer overflow
   bump PKGREV