re PR libstdc++/61728 (lost symbol FUNC:_ZNK10__cxxabiv117__pbase_type_info15__pointer_catchEPKS0_PPvj@@CXXABI_1.3)

	PR libstdc++/61728
	* libsupc++/cxxabi.h: Define __pbase_type_info::__pointer_catch here.
	* libsupc++/tinfo.h: Not here.

From-SVN: r212413