Version 2.7.1

This is a production release with fixes for new locales and fixes for compiler warnings on FreeBSD.

$ sha512sum bc-2.7.1.tar.xz
f4900ccb7ca09b33e663136df12e6b02c1ca69e46f049107f359968921289e85bf3435be835f47b2ad6e4b0d33faefa8920d389e9648734f9daf7d1641389904  bc-2.7.1.tar.xz

$ sha256sum bc-2.7.1.tar.xz
6f1fd8900f0f5d98356730c11214a9adcf99a1d15b94b1991f33a4346533c624  bc-2.7.1.tar.xz

$ stat -c '%s  %n'
188584  bc-2.7.1.tar.xz

$ sha512sum bc-2.7.1.tar.xz.sig
925f308e9316392db01447ca4dceb6fbaaebe60374334a6721dbffa7b58521ecac4ebb8bed47a017627e36c786eaa59b24c894439c717e7155172d2e174d2a08  bc-2.7.1.tar.xz.sig

$ sha256sum bc-2.7.1.tar.xz.sig
fa8b23ab6d895a61a32c15c3feeb1364433c088fd9abcff3f69206ecac7952ef  bc-2.7.1.tar.xz.sig

$ stat -c '%s  %n'
662  bc-2.7.1.tar.xz.sig