Fix icone issue for NASFileSystem and Fiber Channel Interface

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@2532 a333f486-631f-4898-b8df-5754b55c2be0

datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml

@@ -1253,7 +1253,7 @@
           </attributes>
         </naming>
         <display_template/>
-        <icon>images/application.png</icon>
+        <icon>images/interface.png</icon>
         <reconciliation>
           <attributes>
             <attribute id="name"/>