updated for version 7.3.087
Problem: EINTR is not always defined.
Solution: Include errno.h in vim.h.
diff --git a/src/vim.h b/src/vim.h
index 5eea085..15595bf 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -480,6 +480,11 @@
# include <sys/stat.h>
#endif
+#if defined(HAVE_ERRNO_H) || defined(DJGPP) || defined(WIN16) \
+ || defined(WIN32) || defined(_WIN64) || defined(__EMX__)
+# include <errno.h>
+#endif
+
/*
* Allow other (non-unix) systems to configure themselves now
* These are also in os_unix.h, because osdef.sh needs them there.