* mmap.cc: Clean up *ResourceLock calls throughout.

* thread.cc (pthread_cond::TimedWait): Check for WAIT_TIMEOUT as well as
WAIT_ABANDONED.
(__pthread_cond_timedwait): Calculate a relative wait from the abstime
parameter.

winsup/cygwin/fhandler.h

@@ -974,7 +974,6 @@ private:
   int audiobits_;
   int audiochannels_;
   bool setupwav(const char *pData, int nBytes);
-  
 public:
   fhandler_dev_dsp (const char *name = 0);
   ~fhandler_dev_dsp();