Fixing NPE when lookup resources under Linux

Author: garcia-jj

test/org/beanio/parser/bean/BeanParserTest.java

@@ -83,7 +83,7 @@ public void testCollectionsAndDefaultDelmiitedPositions() {
     @Test
     public void testFixedLengthAndOptionalFields() {
         BeanReader in = factory.createReader("w3", new InputStreamReader(
-            getClass().getResourceAsStream("w3_fixedlength.txt")));
+            getClass().getResourceAsStream("w3_fixedLength.txt")));
 
         try {
             Widget w = (Widget) in.read();