[gnome-doc-utils] Use $(GDU_AWK) instaed of awk, bug #590694

[Shaun McCance <shaunm src gnome org>]

commit e12931827809ea3c9a865d58a5d2dd01595043ee
Author: Shaun McCance <shaunm gnome org>
Date:   Mon Aug 3 22:38:02 2009 -0500

    Use $(GDU_AWK) instaed of awk, bug #590694

 rng/mallard/Makefile.am |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/rng/mallard/Makefile.am b/rng/mallard/Makefile.am
index df26ae0..e0fdf94 100644
--- a/rng/mallard/Makefile.am
+++ b/rng/mallard/Makefile.am
@@ -1,3 +1,5 @@
+AUTOMAKE_OPTIONS = -Wno-portability
+
 all: mallard.rnc mallard.rng
 
 _specs1=$(top_srcdir)/doc/mallard/C/mal_page.page   \
@@ -11,7 +13,7 @@ mallard.rnc: $(wildcard $(top_srcdir)/doc/mallard/C/*.page)
 	done > mallard.rnc
 
 mallard.rng: mallard.rnc rnc2rng.awk
-	awk -f $(srcdir)/rnc2rng.awk mallard.rnc > $  tmp || ( rm -f $  tmp && exit 1 )
+	$(GDU_AWK) -f $(srcdir)/rnc2rng.awk mallard.rnc > $  tmp || ( rm -f $  tmp && exit 1 )
 	xmllint --format $  tmp | \
 	  sed -e 's/^  //' \
 	      -e 's/ xmlns/\n    xmlns/g' \