[pornhub] Fixed view count extraction
diff --git a/youtube_dl/extractor/pornhub.py b/youtube_dl/extractor/pornhub.py
index 3567a32839e..c64c870dc8e 100644
--- a/youtube_dl/extractor/pornhub.py
+++ b/youtube_dl/extractor/pornhub.py
@@ -341,7 +341,7 @@ def add_video_url(video_url):
             webpage, 'uploader', fatal=False)
 
         view_count = self._extract_count(
-            r'<span class="count">([\d,\.]+)</span> views', webpage, 'view')
+            r'<span class="count">([\d,\.]+)</span> [Vv]iews', webpage, 'view')
         like_count = self._extract_count(
             r'<span class="votesUp">([\d,\.]+)</span>', webpage, 'like')
         dislike_count = self._extract_count(

### Before submitting a *pull request* make sure you have:
- [x] At least skimmed through [adding new extractor tutorial](https://github.com/ytdl-org/youtube-dl#adding-support-for-a-new-site) and [youtube-dl coding conventions](https://github.com/ytdl-org/youtube-dl#youtube-dl-coding-conventions) sections
- [x] [Searched](https://github.com/ytdl-org/youtube-dl/search?q=is%3Apr&type=Issues) the bugtracker for similar pull requests
- [x] Checked the code with [flake8](https://pypi.python.org/pypi/flake8)

### In order to be accepted and merged into youtube-dl each piece of code must be in public domain or released under [Unlicense](http://unlicense.org/). Check one of the following options:
- [ ] I am the original author of this code and I am willing to release it under [Unlicense](http://unlicense.org/)
- [x] I am not the original author of this code but it is in public domain or released under [Unlicense](http://unlicense.org/) (provide reliable evidence)

### What is the purpose of your *pull request*?
- [x] Bug fix

---

### Description of your *pull request* and other information

Since the UI change of pornhub the 'v' in View count is spelled with a capital 'V'. I rewrote the regex to include both a common 'v' and capital 'v' to fix the view count extraction
