[vdr] tvonscreen patch

[Thomas Günther]

Hi!

I posted a patch for tvonscreen to fix a segmentation fault with empty
columns: http://vdrportal.de/board/thread.php?postid=401733#post401733

All these patches for tvonscreen are confusing. Therefore I put these
together. You can download the complete patch from
http://toms-cafe.de/vdr/download/tvonscreen-0.7.0-fixnoepg+compat.diff

It contains following patches:
- http://toms-cafe.de/vdr/download/tvonscreen-0.7.0-fix-noepg.diff
  (fixes segmentation fault without any epg data)
- http://vdrportal.de/board/thread.php?postid=246219#post246219
  (changes for VDR >= 1.3.18)
  added compatibility to VDR < 1.3.18
- http://toms-cafe.de/vdr/download/tvonscreen-1.3.31.diff
  (changes for VDR >= 1.3.31)
- http://vdrportal.de/board/thread.php?postid=401733#post401733
  (fixes segmentation fault with empty columns)
- Makefile-fPIC-fix

Tom