Disable use of syslog for shadow-native tools

Disable use of syslog to prevent sysroot user and group additions from
writing entries to the host's syslog. This patch should only be used
with the shadow-native recipe.

Upstream-Status: Inappropriate [OE specific configuration]
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

Index: shadow-4.11.1/configure.ac
===================================================================
--- shadow-4.11.1.orig/configure.ac
+++ shadow-4.11.1/configure.ac
@@ -204,7 +204,7 @@ AC_DEFINE_UNQUOTED(PASSWD_PROGRAM, "$sha
 	[Path to passwd program.])
 
 dnl XXX - quick hack, should disappear before anyone notices :).
-AC_DEFINE(USE_SYSLOG, 1, [Define to use syslog().])
+AC_DEFINE(USE_SYSLOG, 0, [Define to use syslog().])
 if test "$ac_cv_func_ruserok" = "yes"; then
 	AC_DEFINE(RLOGIN, 1, [Define if login should support the -r flag for rlogind.])
 	AC_DEFINE(RUSEROK, 0, [Define to the ruserok() "success" return value (0 or 1).])