[RFA] Fix build failure for powerpc

[Nick Hudson <nick.hudson@dsl.pipex.com>]

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Here's a patch to fix a build problem for powerpc where libintl isn't found 
properly.

OK?

Can I commit it to the new 6.8 branch?

Thanks,
Nick

ChangeLog
        * sim/ppc/configure.ac: Pass ../../intl to ZW_GNU_GETTEXT_SISTER_DIR.
        * sim/ppc/configure: Regenerate.

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        * sim/ppc/configure.ac: Pass ../../intl to ZW_GNU_GETTEXT_SISTER_DIR.
        * sim/ppc/configure: Regenerate.

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Index: sim/ppc/configure
===================================================================
RCS file: /cvs/src/src/sim/ppc/configure,v
retrieving revision 1.15
diff -u -p -u -r1.15 configure
--- sim/ppc/configure	13 Jun 2006 08:06:50 -0000	1.15
+++ sim/ppc/configure	14 Mar 2008 17:03:31 -0000
@@ -2388,8 +2388,8 @@ XGETTEXT=
 GMSGFMT=
 POSUB=
 
-if test -f  ../intl/config.intl; then
-  .  ../intl/config.intl
+if test -f  ../../intl/config.intl; then
+  .  ../../intl/config.intl
 fi
 echo "$as_me:$LINENO: checking whether NLS is requested" >&5
 echo $ECHO_N "checking whether NLS is requested... $ECHO_C" >&6
Index: sim/ppc/configure.ac
===================================================================
RCS file: /cvs/src/src/sim/ppc/configure.ac,v
retrieving revision 1.6
diff -u -p -u -r1.6 configure.ac
--- sim/ppc/configure.ac	31 May 2006 15:14:45 -0000	1.6
+++ sim/ppc/configure.ac	14 Mar 2008 17:03:33 -0000
@@ -17,7 +17,7 @@ CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CF
 dnl We don't use gettext, but bfd does.  So we do the appropriate checks
 dnl to see if there are intl libraries we should link against.
 ALL_LINGUAS=
-ZW_GNU_GETTEXT_SISTER_DIR
+ZW_GNU_GETTEXT_SISTER_DIR(../../intl)
 
 
 AC_ARG_ENABLE(sim-alignment,