README: Make FreeBSD requirements less conservative, only requiring FreeBSD 6.3.

README

@@ -29,7 +29,7 @@ especially the wealth of information found at http://www.winehq.org.
 To compile and run Wine, you must have one of the following:
 
   Linux version 2.0.36 or above
-  FreeBSD 7.0 or later
+  FreeBSD 6.3 or later
   Solaris x86 9 or later
   NetBSD-current
   Mac OS X 10.4 or later
@@ -45,7 +45,7 @@ Linux info:
 
 FreeBSD info:
   Wine will generally not work properly on versions before FreeBSD
-  7.0. FreeBSD 6.3 has patches available to allow Wine to run. See
+  6.3 or 7.0, and FreeBSD 6.3 has additional patches available. See
   <http://wiki.freebsd.org/Wine> for more information.
 
 Solaris info: