clear all rows button now clears all rows

patch by lemon

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_2_0@12548 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smackx/debugger/EnhancedDebugger.java

@@ -326,10 +326,7 @@ public class EnhancedDebugger implements SmackDebugger {
 
 	    @Override
 	    public void actionPerformed(ActionEvent e) {
-		for(int i=0; i< messagesTable.getRowCount();i++)
-		{
-		messagesTable.removeRow(i);
-		}
+            messagesTable.setRowCount(0);
 		
 	    }
 	});