[www] Update link to analyzer's "Building a Checker in 24 hours" video

The video is now uploaded to YouTube.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@326062 91177308-0d34-0410-b5e6-96231b3b80d8

www/analyzer/alpha_checks.html

@@ -800,7 +800,7 @@ Check for misuses of stream APIs:<div class=functions>
 fopen<br>
 fclose</div>(demo checker, the subject of the demo
 (<a href="http://llvm.org/devmtg/2012-11/Zaks-Rose-Checker24Hours.pdf">Slides</a>
-,<a href="http://llvm.org/devmtg/2012-11/videos/Zaks-Rose-Checker24Hours.mp4">Video</a>) 
+,<a href="https://youtu.be/kdxlsP5QVPw">Video</a>)
 by Anna Zaks and Jordan Rose presented at the <a href="http://llvm.org/devmtg/2012-11/">
 2012 LLVM Developers' Meeting).</a></div></div></td>
 <td><div class="exampleContainer expandable">

www/analyzer/checker_dev_manual.html

@@ -23,7 +23,7 @@ relies on a set of checkers to implement the logic for detecting and
 constructing specific bug reports. Anyone who is interested in implementing their own 
 checker, should check out the Building a Checker in 24 Hours talk 
 (<a href="http://llvm.org/devmtg/2012-11/Zaks-Rose-Checker24Hours.pdf">slides</a>
- <a href="http://llvm.org/devmtg/2012-11/videos/Zaks-Rose-Checker24Hours.mp4">video</a>) 
+ <a href="https://youtu.be/kdxlsP5QVPw">video</a>)
 and refer to this page for additional information on writing a checker. The static analyzer is a 
 part of the Clang project, so consult <a href="http://clang.llvm.org/hacking.html">Hacking on Clang</a> 
 and <a href="http://llvm.org/docs/ProgrammersManual.html">LLVM Programmer's Manual</a> 
@@ -696,7 +696,7 @@ href="http://llvm.org/devmtg/2012-11">November 2012 LLVM Developer's
 meeting</a>. Describes the construction of SimpleStreamChecker. <a
 href="http://llvm.org/devmtg/2012-11/Zaks-Rose-Checker24Hours.pdf">Slides</a>
 and <a
-href="http://llvm.org/devmtg/2012-11/videos/Zaks-Rose-Checker24Hours.mp4">video</a>
+href="https://youtu.be/kdxlsP5QVPw">video</a>
 are available.
 </ul>
 

www/analyzer/open_projects.html

@@ -147,7 +147,7 @@ mailing list</a> to notify other members of the community.</p>
     <p>A SimpleStreamChecker has been presented in the Building a Checker in 24 
     Hours talk 
     (<a href="http://llvm.org/devmtg/2012-11/Zaks-Rose-Checker24Hours.pdf">slides</a>
-    <a href="http://llvm.org/devmtg/2012-11/videos/Zaks-Rose-Checker24Hours.mp4">video</a>). 
+    <a href="https://youtu.be/kdxlsP5QVPw">video</a>).
     We need to implement a production version of the checker with richer set of 
     APIs and evaluate it by running on real codebases. 
     <i>(Difficulty: Easy)</i></p>