Make sure that generated files are labeled as such (except in dofile(), for now)

Configure

@@ -543,6 +543,7 @@ if ($version =~ /(^[0-9]*)\.([0-9\.]*)/)
 
 open(IN,'<Makefile.org') || die "unable to read Makefile.org:$!\n";
 open(OUT,">$Makefile") || die "unable to create $Makefile:$!\n";
+print OUT "### Generated automatically from Makefile.org by Configure.\n\n";
 my $sdirs=0;
 while (<IN>)
 	{
@@ -648,6 +649,7 @@ foreach (sort split(/\s+/,$bn_ops))
 
 open(IN,'<crypto/opensslconf.h.in') || die "unable to read crypto/opensslconf.h.in:$!\n";
 open(OUT,'>crypto/opensslconf.h') || die "unable to create crypto/opensslconf.h:$!\n";
+print OUT "/* Generated automatically from opensslconf.h.in by Configure. */\n\n";
 while (<IN>)
 	{
 	if	(/^#define\s+OPENSSLDIR/)