Fix ARM EABI forced unwinding bugs

[Benjamin Kosnik]

> 2006-11-10  Joseph Myers  <joseph@codesourcery.com>
> 
> 	* libsupc++/eh_globals.cc (__cxxabiv1::__cxa_get_globals):
> 	Initialize propagatingExceptions if __ARM_EABI_UNWINDER__.
> 	* libsupc++/eh_personality.cc (empty_exception_spec): Define
> 	separately in __ARM_EABI_UNWINDER__ case.

This is fine.

-benjamin