* Changed function create_pd into method of ttryfinallynode, so it can be reused for Win32 SEH and, in the future, for DWARF-based exception handling on other targets.
* Additional two minor changes: reset po_delphi_nested_cc on result, so it is independent of current {$modeswitch nestedprocvar} state, and removed call to alloc_proc_symbol (which belongs to pass 2).

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26222 3ad0048d-3df7-0310-abae-a5850022a9f2