util/dofile.pl: require Text::Template 1.46 or newer
The reason is that we override Text::Template::append_text_to_output(),
and it didn't exist before Text::Template 1.46.
Fixes
@@ -40,7 +40,7 @@ package OpenSSL::Template;
use File::Basename;
use File::Spec::Functions;
use lib "$FindBin::Bin/perl";
-use with_fallback qw(Text::Template);
+use with_fallback "Text::Template 1.46";
#use parent qw/Text::Template/;
use vars qw/@ISA/;
