[Bug-tar] fix in lib/Makefile.am wording

[Paul Eggert]

I installed this to avoid a confusing message I noticed when debugging
tar on Solaris 8.

2006-02-20  Paul Eggert  <address@hidden>

        * bootstrap: Don't claim lib/Makefile.am is generated automatically
        from itself.

--- bootstrap   9 Jan 2006 22:53:55 -0000       1.38
+++ bootstrap   20 Feb 2006 08:12:21 -0000
@@ -295,7 +295,7 @@ echo "$0: Creating m4/gnulib.m4"
  echo "])") > ./m4/gnulib.m4
 
 echo "$0: Creating lib/Makefile.am"
-(echo "# This file is generated automatically from lib/Makefile.am. Do not 
edit!"
+(echo "# This file is generated automatically. Do not edit!"
  cat lib/Makefile.tmpl
 
  for gnulib_module in $gnulib_modules; do