[PATCH, libstdc++]: Avoid recent libstdc++-abi/abi_check failure

[Benjamin De Kosnik]

> 2012-10-09  Uros Bizjak  <ubizjak@gmail.com>
> 
> 	* testsuite/util/testsuite_abi.cc (check_version): Add
> CXXABI_1.3.7.
> 
> Tested on x86_64-pc-linux-gnu.
> 
> OK for mainline?


Ok, thanks!

-benjamin