[curl] Remove version #if guards
https://bugs.webkit.org/show_bug.cgi?id=116152

Patch by Peter Gal <galpeter@inf.u-szeged.hu> on 2013-05-15
Reviewed by Brent Fulgham.

No tests required.

* platform/network/curl/ResourceHandleCurl.cpp:
(WebCore::ResourceHandle::platformSetDefersLoading): Removed version guard.
* platform/network/curl/ResourceHandleManager.cpp:
(WebCore::writeCallback): Ditto.
(WebCore::headerCallback): Ditto.
(WebCore::readCallback): Ditto.
(WebCore::ResourceHandleManager::dispatchSynchronousJob): Ditto.
(WebCore::ResourceHandleManager::initializeHandle): Ditto.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150118 268f45cc-cd09-0410-ab3c-d52691b4dbfc