FreeRDP/FreeRDP — pull request #1801 by hardening (2014-04-18 14:32:04+00:00)
Title: Fixes for queue and stack

This patch does misc fixes in queue and stack:
* the *_new() were not handling OOM correctly ;
* the *_Contains() methods were not using the equals cb;
* the lock were not always taken when accessing internal members;