BSD portability enhancements (bug #234)

agi/eagi-sphinx-test.c

apps/app_agi.c

apps/app_mp3.c

apps/app_queue.c

apps/app_voicemail.c

apps/app_voicemail2.c

asterisk.c

autoservice.c

cdr/cdr_mysql.c

channel.c

channels/chan_agent.c

channels/chan_iax2.c

channels/chan_mgcp.c

channels/chan_modem.c

channels/chan_sip.c

formats/format_g729.c

formats/format_gsm.c

formats/format_h263.c

formats/format_jpeg.c

formats/format_mp3.c