Flux: Close Flux file resources.

Author: blackwinter

metafacture-runner/src/main/java/org/metafacture/runner/Flux.java

@@ -25,6 +25,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Matcher;
@@ -82,7 +83,9 @@ public static void main(final String[] args) throws IOException, RecognitionExce
             }
 
             // run parser and builder
-            FluxCompiler.compile(ResourceUtil.getStream(fluxFile), vars).start();
+            try (InputStream inputStream = ResourceUtil.getStream(fluxFile)) {
+                FluxCompiler.compile(inputStream, vars).start();
+            }
         }
     }