[newlib-cygwin] Cygwin: update cygcheck OS information

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=548f124698774222b011aac2796c766efed83091

commit 548f124698774222b011aac2796c766efed83091
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Thu Oct 21 18:33:35 2021 +0200

    Cygwin: update cygcheck OS information
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/utils/mingw/cygcheck.cc | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/winsup/utils/mingw/cygcheck.cc b/winsup/utils/mingw/cygcheck.cc
index d818a1907..288a718bc 100644
--- a/winsup/utils/mingw/cygcheck.cc
+++ b/winsup/utils/mingw/cygcheck.cc
@@ -1418,8 +1418,19 @@ dump_sysinfo ()
 	      }
 	  else if (osversion.dwMajorVersion == 10)
 	    {
-	      strcpy (osname, osversion.wProductType == VER_NT_WORKSTATION
-			      ? "10" : "2016");
+	      if (osversion.wProductType == VER_NT_WORKSTATION)
+		strcpy (osname, osversion.dwBuildNumber >= 22000 ? "11" : "10");
+	      else
+		{
+		  if (osversion.dwBuildNumber <= 14393)
+		    strcpy (osname, "2016");
+		  else if (osversion.dwBuildNumber <= 17763)
+		    strcpy (osname, "2019");
+		  else if (osversion.dwBuildNumber <= 20348)
+		    strcpy (osname, "2022");
+		  else
+		    strcpy (osname, "20??");
+		}
 	    }
 	  DWORD prod;
 	  if (GetProductInfo (osversion.dwMajorVersion,