Bug 480740: I verified that the Visual C++ 2005 bug has been fixed in Visual C++ 2008, so limit our workaround to Visual C++ 2005.  r=nelson.
Bug 480740: I verified that the Visual C++ 2005 bug has been fixed in
Visual C++ 2008, so limit our workaround to Visual C++ 2005.  r=nelson.

thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr,thespooler/nspr