You might want to give the already packaged version of VDR 1.7.7 a try:
In general: To compile VDR 1.7.7 with kernel/linux-libc-dev 2.6.29 from Debiab/Sid and/or s2-liplianin use this patch as a workaround for kernel include issues:
http://e-tobi.net/websvn/filedetails.php?repname=vdr-pkg&path=%2Fvdr%2Fb...
Tobias
thank you kindly, that worked perfectly.