ikalogic-scanaplus: Free device context to fix memory leak.

Best regards,
Marc

>From 779ef3a1150b3679ab357ceb0e2f50785ad90d28 Mon Sep 17 00:00:00 2001
From: Marc Schink <sigrok-dev@marcschink.de>
Date: Wed, 20 Aug 2014 05:42:07 -0400
Subject: [PATCH] ikalogic-scanaplus: Free device context to fix memory leak.
output: Allocate additional memory for NULL terminator.

Best regards,
Marc

>From a7228150fdea91a65b5d70359bf51b87d2572edf Mon Sep 17 00:00:00 2001
From: Marc Schink <sigrok-dev@marcschink.de>
Date: Wed, 20 Aug 2014 05:34:57 -0400
Subject: [PATCH] output: Allocate additional memory for NULL terminator.
configure.ac: Fix jni.h check when cross compiling

Since AX_JNI_INCLUDE_DIR does not work for cross compilation, don't
invoke it when cross compiling.  Also, add a configure option to
set the jni.h include path manually if needed.
Close zip file at end of sr_session_file_check.

From patch sent to sigrok-devel by jerryxjtu.
output: Fix options enumeration. Again.
serial: re-implement sr_serial_find_usb() using new libsp APIs
build: Require libserialport version 0.2.0.
rigol-ds: Fix duplicated vendor string for Agilent devices.