Merged revisions 112138 via svnmerge from

Merged revisions 112138 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r112138 | mmichelson | 2008-04-01 12:21:21 -0500 (Tue, 01 Apr 2008) | 10 lines

Initialize the __res_state structure used for dns purposes
to all 0's prior to using it. This is due to valgrind's complaints
on issue #12284 as well as an excerpt found in "Description" portion
of the online man page found here:

http://www.iti.cs.tu-bs.de/cgi-bin/UNIXhelp/man-cgi?res_nquery+3RESOLV

(pertains to issue #12284 but does not necessarily close it)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@112148 65c4cc65-6c06-0410-ace0-fbb531ad65f3