Handle EINTR returned from apr_pollset_poll when a user suspends and then backgrounds the applications.
Handle EINTR returned from apr_pollset_poll when a user suspends and then
backgrounds the applications.

* context.c
  (serf_context_run): Treat APR_EINTR as APR_SUCCESS, so that the application
   will rerun the context.


git-svn-id: 683495cb1553624b05a54e2ba9533425f69cf277@1708 61a7d7f5-40b7-0310-9c16-bb0ea8cb1845

coapp-packages/serf,coapp-packages/serf,coapp-packages/serf