return OK on 404 delete: item may have been in another session

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@455 3d1905a2-6b24-0410-a738-b14d5a86fcbd

src/java/davmail/http/DavGatewayHttpClientFacade.java

@@ -207,7 +207,7 @@ public final class DavGatewayHttpClientFacade {
         if (status != HttpStatus.SC_OK && status != HttpStatus.SC_NOT_FOUND) {
             throw DavGatewayHttpClientFacade.buildHttpException(deleteMethod);
         }
-        return status;
+        return HttpStatus.SC_OK;
     }
 
     /**