* config/locale/generic/c_locale.cc
(__convert_to_v(float, double, long double)):
Fix the temporary switch to the "C" locale, saving and
restoring in the proper way the current locale.
* config/locale/generic/time_members.cc
(__timepunct<char, wchar_t>::_M_put): Likewise.
* config/locale/gnu/messages_members.cc
(messages<char>::do_get): Likewise.
* config/locale/gnu/messages_members.h
(messages<_CharT>::do_get): Likewise.
* config/locale/gnu/time_members.cc
(__timepunct<char, wchar_t>::_M_put): Likewise.
* include/bits/locale_facets.tcc (__convert_from_v): Likewise.