add 'awk' to programs that GNU project makefiles can use

[Paul Eggert]

I installed this:

2007-10-23  Paul Eggert  <address@hidden>

        * doc/make-stds.texi: Update from gnulib.

diff --git a/doc/make-stds.texi b/doc/make-stds.texi
index 4dd2211..8d60fe9 100644
--- a/doc/make-stds.texi
+++ b/doc/make-stds.texi
@@ -155,7 +155,7 @@ installation should not use any utilities directly except 
these:
 @c mkfifo mknod tee uname

 @example
-cat cmp cp diff echo egrep expr false grep install-info
+awk cat cmp cp diff echo egrep expr false grep install-info
 ln ls mkdir mv pwd rm rmdir sed sleep sort tar test touch true
 @end example