qemu: make qemuMonitorChardevInfoFree non-static

It would be used in qemumonitorjsontest, thus we make it non-static.
Signed-off-by: NZhang Bo <oscar.zhangbo@huawei.com>
Signed-off-by: NZhou Yimin <zhouyimin@huawei.com>

src/qemu/qemu_monitor.c

@@ -2812,7 +2812,7 @@ qemuMonitorQueryRxFilter(qemuMonitorPtr mon, const char *alias,
 }
 
 
-static void
+void
 qemuMonitorChardevInfoFree(void *data,
                            const void *name ATTRIBUTE_UNUSED)
 {

src/qemu/qemu_monitor.h

@@ -649,6 +649,7 @@ struct _qemuMonitorChardevInfo {
     char *ptyPath;
     virDomainChrDeviceState state;
 };
+void qemuMonitorChardevInfoFree(void *data, const void *name);
 int qemuMonitorGetChardevInfo(qemuMonitorPtr mon,
                               virHashTablePtr *retinfo);