libtextstyle: Fix build in locales other than the C locale (regression 2021-04-07).

* libtextstyle/lib/Makefile.am (config.h): Invoke join-v-1 in the C locale.

diff --git a/libtextstyle/lib/Makefile.am b/libtextstyle/lib/Makefile.am
index cb7375ae6978bf3927a1dc935d67ba170af9fd06..55916adead267296a1b9181a752d36dcf2dd04c2 100644 (file)
--- a/libtextstyle/lib/Makefile.am
+++ b/libtextstyle/lib/Makefile.am
@@ -237,7 +237,7 @@ config.h: $(BUILT_SOURCES) libtextstyle.sym
              done; \
            } 5>&1 1>&2 \
              | sed -e 's,.* ,,' | grep -v '@' | LC_ALL=C sort | LC_ALL=C uniq \
-             | $(top_srcdir)/build-aux/join-v-1 - libtextstyle.sym \
+             | LC_ALL=C $(top_srcdir)/build-aux/join-v-1 - libtextstyle.sym \
              | sed -e 's,^\(.*\)$$,#define \1 libtextstyle_\1,' > config.h-t; \
          } 6>&1 && \
          if test -f config.h; then \