[newlib-cygwin] sys/stat.h: Enable UTIME_NOW and UTIME_OMIT for RTEMS

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=0c0f3df224c51769d3095769cc78005967495f85

commit 0c0f3df224c51769d3095769cc78005967495f85
Author: Joel Sherrill <joel@rtems.org>
Date:   Wed May 19 13:43:25 2021 -0500

    sys/stat.h: Enable UTIME_NOW and UTIME_OMIT for RTEMS

Diff:
---
 newlib/libc/include/sys/stat.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/newlib/libc/include/sys/stat.h b/newlib/libc/include/sys/stat.h
index 68f839b35..3d31ba52f 100644
--- a/newlib/libc/include/sys/stat.h
+++ b/newlib/libc/include/sys/stat.h
@@ -128,7 +128,7 @@ struct	stat
 #define	S_ISLNK(m)	(((m)&_IFMT) == _IFLNK)
 #define	S_ISSOCK(m)	(((m)&_IFMT) == _IFSOCK)
 
-#if defined(__CYGWIN__)
+#if defined(__CYGWIN__) || defined(__rtems__)
 /* Special tv_nsec values for futimens(2) and utimensat(2). */
 #define UTIME_NOW	-2L
 #define UTIME_OMIT	-1L