Ignore API warnings

The following commits introduced in stable-4.5 and stable-4.9
introduced some minor API additions in service releases.

f7ceeaa2 FileRepository: Add pack-based inserter implementation
085d1f95 Make PackInserter public
10e65cb4 Fix LockFile semantics when running on NFS

Change-Id: I4afed7e0395cf93d828e671080e3ec9ddf20987d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/.settings/.api_filters

@@ -7,6 +7,12 @@
                 <message_argument value="4.9.0"/>
             </message_arguments>
         </filter>
+        <filter id="924844039">
+            <message_arguments>
+                <message_argument value="4.9.4"/>
+                <message_argument value="4.9.0"/>
+            </message_arguments>
+        </filter>
     </resource>
     <resource path="src/org/eclipse/jgit/lib/ConfigConstants.java" type="org.eclipse.jgit.lib.ConfigConstants">
         <filter id="336658481">