Merge pull request #123 from sbezludny/master

Fixed #85

Author: filipw

src/WebApi.OutputCache.V2/CacheOutputAttribute.cs

@@ -201,6 +201,7 @@ private async Task OnActionExecuted(HttpActionExecutedContext actionExecutedCont
                         //ConfigureAwait false to avoid deadlocks
                         var content = await actionExecutedContext.Response.Content.ReadAsByteArrayAsync().ConfigureAwait(false);
 
+                        actionExecutedContext.Response.Content.Headers.Remove("Content-Length");
 
                         _webApiCache.Add(baseKey, string.Empty, cacheTime.AbsoluteExpiration);
                         _webApiCache.Add(cachekey, content, cacheTime.AbsoluteExpiration, baseKey);