xfsdump: enable gettext

ENABLE_GETTEXT was not being defined when --enable-gettext
was specified as a config option, neither the German or
Polish translations were working.  Add this define to
builddefs.in

See commit e84ec15d in xfsprogs.

Signed-off-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Phil White <pwhite@sgi.com>
diff --git a/include/builddefs.in b/include/builddefs.in
index d5cc8d3..269c928 100644
--- a/include/builddefs.in
+++ b/include/builddefs.in
@@ -95,6 +95,10 @@
 	  -DVERSION=\"$(PKG_VERSION)\" -DLOCALEDIR=\"$(PKG_LOCALE_DIR)\"  \
 	  -DPACKAGE=\"$(PKG_NAME)\" -I$(TOPDIR)/include
 
+ifeq ($(ENABLE_GETTEXT),yes)
+GCFLAGS += -DENABLE_GETTEXT
+endif
+
 # First, Global, Platform, Local CFLAGS
 CFLAGS += $(FCFLAGS) $(GCFLAGS) $(PCFLAGS) $(LCFLAGS)