Document fix for optimization bug

Signed-off-by: Tom Eastep <teastep@shorewall.net>

Shorewall/changelog.txt

@@ -10,6 +10,8 @@ Changes in Shorewall 4.4.10
 
 5)  Restore -a functionality to the version command.
 
+6)  Correct Optimization issue
+
 Changes in Shorewall 4.4.9
 
 1)  Auto-detection of bridges.

Shorewall/releasenotes.txt

@@ -232,7 +232,17 @@ I I I.  P R O B L E M S   C O R R E C T E D   I N   T H I S  R E L E A S E
     end their Perl extension scripts with the following line to insure
     that the script returns a 'true' value:
 
-    	 1; 
+    	 1;
+
+3)  Under rare circumstances involving a complex configuration,
+    OPTIMIZE=13 and OPTIMIZE=15 could cause invalid iptables-restore
+    input to be generated. 
+
+    Sample error message:
+
+        iptables-restore v1.4.8: Couldn't load target
+        `sys2sys':/usr/local/libexec/xtables/libipt_sys2sys.so:
+	cannot open shared object file: No such file or directory
 
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