=== modified file 'src/tree.c'
--- src/tree.c	2008-08-07 11:35:48 +0000
+++ src/tree.c	2009-10-16 11:38:24 +0000
@@ -871,7 +871,15 @@
 	  else
 	    *name = "Windows:Unknown Windows";
 	}
-	else if (*c >= '6' && *c <= '9')
+	else if (*c == '6') {
+	  if (*(c + 1) == '.' && (*(c + 2) == '0'))
+	    *name = "Windows:Windows Vista";
+	  else if (*(c + 1) == '.' && (*(c + 2) == '1'))
+	    *name = "Windows:Windows 7";
+	  else
+	    *name = "Windows:Unknown Windows";
+	}
+	else if (*c >= '7' && *c <= '9')
 	  *name = "Windows:Unknown Windows";
 	else
 	  *name = "Windows:Windows NT";