www/hacking.html: Cosmetic change, to detabify, eliminate whitespace, and add proper slashes to URL.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127862 91177308-0d34-0410-b5e6-96231b3b80d8

www/hacking.html

@@ -158,15 +158,15 @@
 
   <p>Note that the test runner is based on
   Python, which must be installed.  Find Python at:
-  <a href="http://www.python.org/download">http://www.python.org/download</a>.
+  <a href="http://www.python.org/download/">http://www.python.org/download/</a>.
   Download the latest stable version (2.6.2 at the time of this writing).</p>
 
   <p>The GnuWin32 tools are also necessary for running the tests.
   (Note that the grep from MSYS or Cygwin doesn't work with the tests
   because of embedded double-quotes in the search strings.  The GNU
   grep does work in this case.)
-  Get them from <a href="http://getgnuwin32.sourceforge.net">
-  http://getgnuwin32.sourceforge.net</a>.</p>
+  Get them from <a href="http://getgnuwin32.sourceforge.net/">
+  http://getgnuwin32.sourceforge.net/</a>.</p>
 
   <p>The cmake build tool is set up to create Visual Studio project files
   for running the tests, "clang-test" being the root.  Therefore, to