Fix -Wundef warning.  It was fixed upstream as part of this commit:

commit 3247f28556d1de7f9837f6e9ee8c63fa56b93c13

Author: Siddhesh Poyarekar <siddhesh@redhat.com>

Date:   Thu Jul 3 01:36:10 2014 +0530

    Sync up loadmsgcat.c with gettext

diff --git a/intl/loadmsgcat.c b/intl/loadmsgcat.c

index c70152010ecd2624..243783a9ac4d0929 100644

--- a/intl/loadmsgcat.c

+++ b/intl/loadmsgcat.c

@@ -89,6 +89,7 @@ char *alloca ();

 # include "../locale/localeinfo.h"

 # include <not-cancel.h>

 # include <bits/libc-lock.h>

+# define PRI_MACROS_BROKEN 0

 #endif

 /* Provide fallback values for macros that ought to be defined in <inttypes.h>.