non-www to www – Poor Coding

.htaccess redirect non-www to www

# BEGIN Redirect non-www to www
# <IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]
# </IfModule>
# END Redirect non-www to www

# BEGIN Redirect non-www to www

# <IfModule mod_rewrite.c>

RewriteEngine On

RewriteCond %{HTTP_HOST} !^www\.

RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]

# </IfModule>

# END Redirect non-www to www