PATCH - add S_IRGRP etc to stat.h

This patch is to include/sys/stat.h in mingw-runtime 2.0

It is would be very useful for it being in for building AbiWord with 
mingw (the alternative is to patch the AbiWord source)

Regards,
Daniel

--- stat.h	Thu Jun 13 11:47:25 2002
+++ stat2.h	Thu Jun 13 11:47:10 2002
@@ -60,6 +60,9 @@
 #define	_S_IXUSR	_S_IEXEC
 #define	_S_IWUSR	_S_IWRITE
 #define	_S_IRUSR	_S_IREAD
+#define	_S_IXGRP	_S_IEXEC
+#define	_S_IWGRP	_S_IWRITE
+#define	_S_IRGRP	_S_IREAD
 
 #define	_S_ISDIR(m)	(((m) & _S_IFMT) == _S_IFDIR)
 #define	_S_ISFIFO(m)	(((m) & _S_IFMT) == _S_IFIFO)
@@ -82,6 +85,9 @@
 #define	S_IXUSR		_S_IXUSR
 #define	S_IWUSR		_S_IWUSR
 #define	S_IRUSR		_S_IRUSR
+#define	S_IXGRP		_S_IXGRP
+#define	S_IWGRP		_S_IWGRP
+#define	S_IRGRP		_S_IRGRP
 
 #define	S_ISDIR(m)	(((m) & S_IFMT) == S_IFDIR)
 #define	S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)