Fixes a GC stack overflow crash.
        The change is to move from a linked list implementation of Parameters to a Vector.
        The problem with the linked list is that each one creates it's own stack frame when being destroyed and in extreme cases this caused the stack to overflow. 

        * kjs/function.cpp:
        (KJS::Parameter::Parameter):
        (KJS::FunctionImp::addParameter):
        (KJS::FunctionImp::parameterString):
        (KJS::FunctionImp::processParameters):
        (KJS::FunctionImp::lengthGetter):
        (KJS::FunctionImp::getParameterName):
        * kjs/function.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@16606 268f45cc-cd09-0410-ab3c-d52691b4dbfc