Begin modularization again

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@4450 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall/compiler

@@ -8270,6 +8270,14 @@ __EOF__
 
 }
 
+#
+# Give Usage Information
+#
+usage() {
+    echo "Usage: $0 [debug] check|compile <filename>}"
+    exit 1
+}
+
 #
 # E X E C U T I O N    B E G I N S   H E R E
 #