clockfix: uclibc 0.9.30 do not support pthread_condattr_setclock().

Found by compiling OSCam for uclinux.

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@9282 4b0bc96b-bc66-0410-9d44-ebda105a78c1
clockfix: glibc 2.3.6 in some ppc old toolchains do not have pthread_condattr_setclock().

Reported in the forum.

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@9283 4b0bc96b-bc66-0410-9d44-ebda105a78c1