patch 8.0.0280: problem setting multi-byte environment var on MS-Windows
Problem: On MS-Windows setting an environment variable with multi-byte
strings does not work well.
Solution: Use wputenv when possible. (Taro Muraoka, Ken Takata)
diff --git a/src/vim.h b/src/vim.h
index abee386..f3e87fe 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -594,6 +594,7 @@
# endif
# define textdomain(domain) (*dyn_libintl_textdomain)(domain)
# define libintl_putenv(envstring) (*dyn_libintl_putenv)(envstring)
+# define libintl_wputenv(envstring) (*dyn_libintl_wputenv)(envstring)
# else
# include <libintl.h>
# define _(x) gettext((char *)(x))