[newlib-cygwin] cygwin: Set __STDC_ISO_10646__ to Unicode 5.2 value

[newlib-cygwin] cygwin: Set __STDC_ISO_10646__ to Unicode 5.2 value

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8322a87c164e8bc1a1a9bf9d0b4e2194c96f1244

commit 8322a87c164e8bc1a1a9bf9d0b4e2194c96f1244
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Jul 26 11:49:58 2017 +0200

    cygwin: Set __STDC_ISO_10646__ to Unicode 5.2 value
    
    Now that XP is not supported anymore we can freely do that.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 newlib/libc/include/sys/features.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h
index 1f9271b..c9133af 100644
--- a/newlib/libc/include/sys/features.h
+++ b/newlib/libc/include/sys/features.h
@@ -505,10 +505,9 @@ extern "C" {
 /* #define _XOPEN_UNIX				    -1 */
 #endif /* __XSI_VISIBLE */
 
-/* The value corresponds to UNICODE version 4.0, which is the version
-   supported by XP.  Newlib supports 5.2 (2011) but so far Cygwin needs
-   the MS conversions for double-byte charsets. */
-#define __STDC_ISO_10646__ 200305L
+/* The value corresponds to UNICODE version 5.2, which is the current
+   state of newlib's wide char conversion functions. */
+#define __STDC_ISO_10646__ 200910L
 
 #endif /* __CYGWIN__ */