* libc/rexec.cc (cygwin_rexec): Make ahostbuf static to avoid returning
	an out-of-scope address.
Fix timestamp
* faq-programming.xml: Add gettext-devel to list of packages needed to build
Cygwin.
	* ldap.cc (CYG_LDAP_TIMEOUT): Define as timeout value.  Set to 30 secs
	for now.  Use throughout.
	* uinfo.cc (colon_to_semicolon): New local function.
	(pwdgrp::fetch_account_from_windows): Convert all colons in AD gecos
	entry to commas.