Initialize nscd stats data [BZ #17892]

The padding bytes in the statsdata struct are not initialized, due to
which valgrind throws a warning:

==11384== Memcheck, a memory error detector
==11384== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
==11384== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info
==11384== Command: nscd -d
==11384==
Fri 25 Apr 2014 10:34:53 AM CEST - 11384: handle_request: request received (Version = 2) from PID 11396
Fri 25 Apr 2014 10:34:53 AM CEST - 11384:       GETSTAT
==11384== Thread 6:
==11384== Syscall param socketcall.sendto(msg) points to uninitialised byte(s)
==11384==    at 0x4E4ACDC: send (in /lib64/libpthread-2.12.so)
==11384==    by 0x11AF6B: send_stats (in /usr/sbin/nscd)
==11384==    by 0x112F75: nscd_run_worker (in /usr/sbin/nscd)
==11384==    by 0x4E439D0: start_thread (in /lib64/libpthread-2.12.so)
==11384==    by 0x599AB6C: clone (in /lib64/libc-2.12.so)
==11384==  Address 0x15708395 is on thread 6's stack

Fix the warning by initializing the structure.

1 files changed, 1 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 1dcfc7d1c2..8e2729bddd 100644
--- a/NEWS
+++ b/NEWS
@@ -18,7 +18,7 @@ Version 2.21
   17657, 17658, 17664, 17665, 17668, 17682, 17702, 17717, 17719, 17722,
   17723, 17724, 17725, 17732, 17733, 17744, 17745, 17746, 17747, 17748,
   17775, 17777, 17780, 17781, 17782, 17791, 17793, 17796, 17797, 17803,
-  17806, 17834, 17844, 17848, 17868, 17869, 17870, 17885
+  17806, 17834, 17844, 17848, 17868, 17869, 17870, 17885, 17892.
 
 * A new semaphore algorithm has been implemented in generic C code for all
   machines. Previous custom assembly implementations of semaphore were