Initialize ins

module/src/main/java/pl/clarin/any2txt/Converter.java

@@ -74,7 +74,7 @@ public class Converter extends Worker {
     public void process(String fileIn, String fileOut, JSONObject param) {
         Logger.getLogger(Converter.class.getName()).log(Level.INFO, "Input file: " + fileIn);
         File file = new File(fileIn);
-        TikaInputStream inS;
+        TikaInputStream inS = null;
 
         try {
             Metadata metadata = new Metadata();