Fix license header in rules config. file. (#305)

diff --git a/naxsi_core.rules b/naxsi_core.rules
index 3c64007..f713232 100644
--- a/naxsi_core.rules
+++ b/naxsi_core.rules
@@ -1,18 +1,19 @@
-#/*
-# * Licensed to the Apache Software Foundation (ASF) under one or more contributor
-# * license agreements.  See the NOTICE file distributed with this work for additional
-# * information regarding copyright ownership.  The ASF licenses this file to you
-# * under the Apache License, Version 2.0 (the # "License"); you may not use this
-# * file except in compliance with the License.  You may obtain a copy of the License
-# * at:
-# *
-# * http://www.apache.org/licenses/LICENSE-2.0
-# *
-# * Unless required by applicable law or agreed to in writing, software distributed
-# * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-# * CONDITIONS OF ANY KIND, either express or implied.  See the License for the
-# * specific language governing permissions and limitations under the License.
-# */
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 
 ##################################
 ## INTERNAL RULES IDS:1-999     ##