www: Update getting started to encourage people to check out compielr-rt.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146014 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/www/get_started.html b/www/get_started.html
index e325e4e..8d91a1f 100644
--- a/www/get_started.html
+++ b/www/get_started.html
@@ -55,6 +55,12 @@
     <li><tt>cd llvm/tools</tt>
     <li><tt>svn co http://llvm.org/svn/llvm-project/cfe/trunk clang</tt></li>
   </ul>
+  <li>Checkout Compiler-RT:</li>
+  <ul>
+    <li><tt>cd llvm/projects</tt>
+    <li><tt>svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk
+        compiler-rt</tt></li>
+  </ul>
   <li>Build LLVM and Clang:</li>
   <ul>
     <li><tt>cd ../..</tt>  (back to where you started)</li>