AFNetworking/AFNetworking — pull request #181 by jparise (2012-01-20 01:26:34+00:00)
Title: xml_request_operation_processing_queue() is Mac-only.

Wrap xml_request_operation_processing_queue() in a test for
__MAC_OS_X_VERSION_MIN_REQUIRED because it is only used by a
Mac-specific code block down below.

This addresses an unused symbol warning when compiling with strict
settings.