CHANGES revision ec4060d3104e8bec28406232eb7338c81bb1b1c1
c49a898cb851f8fef7d7a6a9501c66b8f03ae05cPhill Cunnington 408. [bug] stub zones could leak memory and refernce counts if
c49a898cb851f8fef7d7a6a9501c66b8f03ae05cPhill Cunnington all the masters were unreachable.
c49a898cb851f8fef7d7a6a9501c66b8f03ae05cPhill Cunnington 407. [bug] isc_rwlock_lock() would needlessly block
c49a898cb851f8fef7d7a6a9501c66b8f03ae05cPhill Cunnington readers when it reached the read quota even
c49a898cb851f8fef7d7a6a9501c66b8f03ae05cPhill Cunnington if no writers were waiting.