The patch, as accepted into fetchmail, was available separately from
<http://download.berlios.de/fetchmail/patch-6.3.2.1-fix-netrc-SIGSEGV.diff>
* SEGFAULT: Work around C libraries that return a NULL in getaddrinfo()'s
- ai_canonname record, to avoid a segfault. Affects, for instance, FreeBSD 4.11.
+ ai_canonname record, to avoid a segfault. Affects for instance FreeBSD 4.10,
+ 4.11 and 5.3 when dotted quads are given as server names.
Reported and patched by "Voldemar".
* IMAP: fix hangs in NOOP-based IDLE emulation. Reported by Casper Gripenberg
and Brendan Lynch, fix by Sunil Shetye (his patch was merged) and Brendan