[warosu] fix extraction

gallery_dl/extractor/warosu.py

@@ -64,7 +64,7 @@ def posts(self, page):
  def parse(self, post):
  """Build post object by extracting data from an HTML post"""
  data = self._extract_post(post)
- if "<span> File:" in post and self._extract_image(post, data):
+ if "<span class=fileinfo>" in post and self._extract_image(post, data):
  part = data["image"].rpartition("/")[2]
  data["tim"], _, data["extension"] = part.partition(".")
  data["ext"] = "." + data["extension"]
@@ -83,7 +83,7 @@ def _extract_post(self, post):
 
  def _extract_image(self, post, data):
  extr = text.extract_from(post)
- data["fsize"] = extr("<span> File: ", ", ")
+ data["fsize"] = extr("<span class=fileinfo> File: ", ", ")
  data["w"] = extr("", "x")
  data["h"] = extr("", ", ")
  data["filename"] = text.unquote(extr(