Added close to reader

public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/utils/intervals/BedRecordList.scala

@@ -106,7 +106,9 @@ object BedRecordList {
     } catch {
       case e: Exception =>
         Logging.logger.error(s"Parsing line number $lineCount failed on file: ${bedFile.getAbsolutePath}")
+        reader.close()
         throw e
     }
+    reader.close()
   }
 }
\ No newline at end of file