[PD] click- & dropEX for osx

[V93r]

hello pd osx'ers,

i got relayed a fix for the problem of clicks&dropouts in pd, even 
when running -rt:

go to src/

in the file m_sched.c:

put in top of file:

#include </usr/include/pthread.h>

after line 360 (inside method int m_scheduler(int nodacs)) add:

     struct sched_param param;
     int policy = SCHED_RR;
     int err;
     param.sched_priority = 80; // adjust 0 : 100

     err = pthread_setschedparam(pthread_self(), policy, &param);


save.. recompile.. enjoy click- & dropout freeness :)

best,
gert