FreeRDP/FreeRDP — pull request #168 by nfedera (2011-10-20 12:29:56+00:00)
Title: pcap: fix several segfaults with NULL pcap file handle

- pcap_open did not return NULL if fopen failed
- libfreerdp-core, tfreerdp-server and xfreerdp-server did not check the pcap_open result
- also fixed the sleep calculation in the xfreerdp-server