Fix all whitespace issues. Patch from dhermes@google.com.
diff --git a/ref/cache-objects.html b/ref/cache-objects.html
old mode 100755
new mode 100644
index dcf9465..9baa7c2
--- a/ref/cache-objects.html
+++ b/ref/cache-objects.html
@@ -57,7 +57,7 @@
 
 <p>
 If you wish to supply your own caching implementation
-then you will need to pass in an object that supports the 
+then you will need to pass in an object that supports the
 following methods. Note that the <tt class="module">memcache</tt> module
 supports this interface natively.