[newgrounds] strip incomplete HTML tag from '_comment' (#2328)

gallery_dl/extractor/newgrounds.py

@@ -120,9 +120,10 @@ class NewgroundsExtractor(Extractor):
         extr = text.extract_from(page)
         data = extract_data(extr, post_url)
 
-        data["_comment"] = extr('id="author_comments"', '</div>')
+        data["_comment"] = extr(
+            'id="author_comments"', '</div>').partition(">")[2]
         data["comment"] = text.unescape(text.remove_html(
-            data["_comment"].partition(">")[2], "", ""))
+            data["_comment"], "", ""))
         data["favorites"] = text.parse_int(extr(
             'id="faves_load">', '<').replace(",", ""))
         data["score"] = text.parse_float(extr('id="score_number">', '<'))