Update release documents for bug fixes

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

Shorewall/changelog.txt

@@ -2,6 +2,10 @@ Changes in Shorewall 4.4.8
 
 1)  Correct handling of RATE LIMIT on NAT rules.
 
+2)  Don't create a logging chain for rules with '-j RETURN'.
+
+3)  Avoid duplicate SFQ class numbers.
+
 Changes in Shorewall 4.4.7
 
 1)  Backport optimization changes from 4.5.

Shorewall/releasenotes.txt

@@ -191,6 +191,21 @@ Shorewall 4.4.8
     REDIRECT and DNAT rules. The effective rate and burst were 1/2 of
     the values given in the rule.
 
+2)  A CONTINUE rule specifying a log level would cause the compiler to 
+    generate an incorrect rule sequence. The packet would be logged
+    but the CONTINUE action would not occur.
+
+3)  If multiple entries were present in /etc/shorewall/tcdevices and
+    unique class numbers were not explicitly specified in
+    /etc/shorewall/tc, then 'shorewall start' would fail with a
+    diagnostic such as:
+
+    Setting up Traffic Control...
+    RTNETLINK answers: File exists
+      ERROR: Command "tc qdisc add dev eth1 parent 2:2 handle 2: sfq quantum
+             1500 limit 127 perturb 10" Failed
+    Processing /etc/shorewall/stop ...
+
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