regex-tests: skip UTF-8 test on mingw test-regex failed on mingw; and I traced it in gdb to an instance of init_dfa() setting dfa->is_utf8 to 0 in spite of setlocale() claiming success for "en_US.UTF-8". test-wcwidth already has precedent for skipping utf-8 tests where the system (or gnulib setlocale replacement, in this case) lies about utf-8 support. * modules/regex-tests (Depends-on): Add localcharset. * tests/test-regex.c (main): Use it to skip test on mingw. Signed-off-by: Eric Blake <eblake@redhat.com>

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−Files:
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−tests/test-regex.c
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−tests/macros.h
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−
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−Depends-on:
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−localcharset
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−
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−configure.ac:
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−
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−Makefile.am:
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−TESTS += test-regex
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−check_PROGRAMS += test-regex
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−test_regex_LDADD = $(LDADD) @LIBINTL@