alanxz/rabbitmq-c — pull request #153 by WizJin (2013-12-03 03:13:50+00:00)
Title: Fix function amqp_get_monotonic_timestamp return zero

On one of my PC (Intel Core2 Duo Processor E7500 2.93 GHz),
QueryPerformanceFrequency return 2933330000.
This value is greater than AMQP_NS_PER_S (1000000000).
So, I change uint64_t to double.