Update rtf-to-html.js

Fix typo.

Author: Romick2005

rtf-to-html.js

@@ -44,7 +44,7 @@ function rtfToHTML (doc, options) {
     template: outputTemplate
   }, options || {})
   const content = doc.content
-    .map(para => renderPara(para.content ? para : {content: [para], style: {}}, defaults)))
+    .map(para => renderPara(para.content ? para : {content: [para], style: {}}, defaults))
     .filter(html => html != null)
     .join(defaults.paraBreaks)
   return defaults.template(doc, defaults, content)