vbox: Remove unused mediumEmpty

Remove the setting since it's unused as of commit 34364df3 which should
have never copied it in from the old code which ended up getting removed
as part of commit c7c286c6.

diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index 07b58b80be37b1b534af7d354af137e500de4dd0..2291169c5e5a12ef2358c05f0ae8cfea46f6f12a 100644 (file)
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -965,7 +965,7 @@ vboxAttachDrives(virDomainDefPtr def, vboxDriverPtr data, IMachine *machine)
     virDomainDiskDefPtr disk = NULL;
     PRUnichar *storageCtlName = NULL;
     IMedium *medium = NULL;
-    PRUnichar *mediumFileUtf16 = NULL, *mediumEmpty = NULL;
+    PRUnichar *mediumFileUtf16 = NULL;
     PRUint32 devicePort, deviceSlot, deviceType, accessMode;
     vboxIID mediumUUID;
 
@@ -1056,13 +1056,10 @@ vboxAttachDrives(virDomainDefPtr def, vboxDriverPtr data, IMachine *machine)
                                                deviceType, accessMode, &medium);
 
             if (!medium) {
-                VBOX_UTF8_TO_UTF16("", &mediumEmpty);
-
                 rc = gVBoxAPI.UIVirtualBox.OpenMedium(data->vboxObj,
                                                       mediumFileUtf16,
                                                       deviceType, accessMode,
                                                       &medium);
-                VBOX_UTF16_FREE(mediumEmpty);
             }
 
             if (!medium) {