use new syntax in templatetag too

pipeline/templatetags/compressed.py

@@ -94,19 +94,19 @@ class CompressedJSNode(template.Node):
         return '\n'.join(tags)
 
 
+@register.tag
 def compressed_css(parser, token):
     try:
         tag_name, name = token.split_contents()
     except ValueError:
         raise template.TemplateSyntaxError('%r requires exactly one argument: the name of a group in the PIPELINE_CSS setting' % token.split_contents()[0])
     return CompressedCSSNode(name)
-compressed_css = register.tag(compressed_css)
 
 
+@register.tag
 def compressed_js(parser, token):
     try:
         tag_name, name = token.split_contents()
     except ValueError:
         raise template.TemplateSyntaxError('%r requires exactly one argument: the name of a group in the PIPELINE_JS setting' % token.split_contents()[0])
     return CompressedJSNode(name)
-compressed_js = register.tag(compressed_js)