Merge branch 'sg/stable-docdep'

Make sure generated dependency file is stably sorted to help
developers debugging their build issues.

* sg/stable-docdep:
  Documentation/build-docdep.perl: generate sorted output

Author: ttaylorr

Documentation/build-docdep.perl

@@ -38,9 +38,10 @@
     }
 }
 
-while (my ($text, $included) = each %include) {
+foreach my $text (sort keys %include) {
+    my $included = $include{$text};
     if (! exists $included{$text} &&
 	(my $base = $text) =~ s/\.txt$//) {
-	print "$base.html $base.xml : ", join(" ", keys %$included), "\n";
+	print "$base.html $base.xml : ", join(" ", sort keys %$included), "\n";
     }
 }