rdma: memory leak RDMAContext::host

It is allocated by g_strdup(), so needs to be freed.

Reviewed-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Isaku Yamahata <yamahata@private.email.ne.jp>
Signed-off-by: Michael R. Hines <mrhines@us.ibm.com>
Message-id: 1375584894-9917-8-git-send-email-mrhines@linux.vnet.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/migration-rdma.c b/migration-rdma.c
index 83c9a0b..3a380d4 100644
--- a/migration-rdma.c
+++ b/migration-rdma.c
@@ -2097,6 +2097,8 @@
         rdma_destroy_event_channel(rdma->channel);
         rdma->channel = NULL;
     }
+    g_free(rdma->host);
+    rdma->host = NULL;
 }