Added notes about Wine-related FreeBSD kernel patches.

README

@@ -35,6 +35,21 @@ Although Linux version 2.0.x will mostly work, certain features
 threads were not implemented until kernel version 2.2.  If you get
 consistent thread-related crashes, you may want to upgrade to 2.2.
 
+Similarly if you are on FreeBSD you may want to apply an LDT sharing
+patch too (unfortunately this one still isn't in the tree, neither
+-current nor -stable), and there also is a small sigtrap fix thats
+needed for wine's debugger. (Actually now that its using ptrace() by
+default it may no longer make a difference but it still doesn't hurt...)
+And if you're running a system from the -stable branch older than
+Nov 15 1999, like a 3.3-RELEASE, then you also need to apply a signal
+handling change that was MFC'd at that date.  More information including
+patches for the -stable branch is in the ports tree:
+ftp://ftp.freebsd.org/pub/FreeBSD/FreeBSD-current/ports/emulators/wine/files/
+(the signal handling patch, patch-3.3-sys-fsgs, and the latest README
+haven't yet been committed as i write this, if they still aren't there
+when you look, go here:
+http://www.jelal.kn-bremen.de/freebsd/ports/emulators/wine/files/ )
+
 You also need to have libXpm installed on your system. The sources for
 it are available at ftp.x.org and all its mirror sites in the directory
 /contrib/libraries. If you are using RedHat, libXpm is distributed as the