adapt to htsjdk in debian

-    requires swing.layout;

+    requires swing.layout.debian;

 }

--- a/src/main/java/org/broad/igv/util/stream/IGVSeekableBufferedStream.java

+++ b/src/main/java/org/broad/igv/util/stream/IGVSeekableBufferedStream.java

@@ -88,27 +88,6 @@

         return actualSkip;

     }

-    @Override

-    public synchronized void reset() throws IOException {

-

-        if (markpos < 0) {

-            throw new IOException("Resetting to invalid mark");

-        }

-        position = markpos;

-

-    }

-

-    @Override

-    public synchronized void mark(int readlimit) {

-        this.markpos = (int) position;

-        this.marklimit = readlimit;

-    }

-

-    @Override

-    public boolean markSupported() {

-        return true;

-    }

-

     public void seek(final long position) throws IOException {

         this.position = position;

     }

@@ -227,4 +206,4 @@

             bufferSize = tmpBufferSize;

         }

     }

-}

\ No newline at end of file

+}