be nice, don't forget to close the reader when done

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@1418 348d0f76-0448-11de-a6fe-93d51630548a

java/src/org/broadinstitute/sting/playground/tools/SplitReads.java

@@ -123,6 +123,7 @@ public class SplitReads extends CommandLineProgram {
 
         }
 
+        inReader.close();
         for ( SAMFileWriter w : outWriters ) w.close();
 
         return 0;