Patch by Yongjun Zhang <yongjun.zhang@nokia.com> on 2009-09-26
Reviewed by Simon Hausmann.

Re-use Windows shrinkAllocation implementation because Symbian doesn't
support releasing part of memory region.

Use fastMalloc and fastFree to implement allocateStack and releaseStack
for Symbian port.

* JavaScriptCore.pri:
* runtime/MarkStack.h:
(JSC::MarkStack::MarkStackArray::shrinkAllocation):
* runtime/MarkStackSymbian.cpp: Added.
(JSC::MarkStack::initializePagesize):
(JSC::MarkStack::allocateStack):
(JSC::MarkStack::releaseStack):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@48788 268f45cc-cd09-0410-ab3c-d52691b4dbfc