warning C4101: 'e': unreferenced local variable

Change-Id: I3fb8a4f2854fb034d6b184ee46c04e8a8d03ca6a

ucbhelper/source/client/content.cxx

@@ -298,6 +298,7 @@ static Reference< XContent > getContentNoThrow(
     }
     catch ( IllegalIdentifierException const & e )
     {
+        SAL_WARN("ucbhelper", "getContentNoThrow: exception: " << e.Message);
     }
 
     return xContent;