MM-682 / MM-683: S3 Content Reference Handler - initial fix for "exis…

…ts" check (causing http connection pool timeout)

- fix compile error (port back to 0.3.N - since S3Object in SDK 1.4.7 does not support "close" method)

gytheio-content-handlers/gytheio-content-handler-s3/src/main/java/org/gytheio/content/handler/s3/S3ContentReferenceHandlerImpl.java

@@ -224,10 +224,11 @@ public boolean isContentReferenceExists(ContentReference contentReference)
         }
         finally
         {
-            if (object != null)
+            if ((object != null) && (object.getObjectContent() != null))
             {
-                try  {
-                    object.close();
+                try  
+                {
+                	object.getObjectContent().close();
                 }
                 catch (IOException ioe)
                 {