installation_proxy: Handle BundleIDs in instproxy_client_options_add

BundleIDs are passed as an array so we need to make sure it gets added as such.
In fact though we just copy the node from the va_arg :)
diff --git a/src/installation_proxy.c b/src/installation_proxy.c
index b13abf9..9602876 100644
--- a/src/installation_proxy.c
+++ b/src/installation_proxy.c
@@ -934,7 +934,7 @@
 		if (!strcmp(key, "SkipUninstall")) {
 			int intval = va_arg(args, int);
 			plist_dict_set_item(client_options, key, plist_new_bool(intval));
-		} else if (!strcmp(key, "ApplicationSINF") || !strcmp(key, "iTunesMetadata") || !strcmp(key, "ReturnAttributes")) {
+		} else if (!strcmp(key, "ApplicationSINF") || !strcmp(key, "iTunesMetadata") || !strcmp(key, "ReturnAttributes") || !strcmp(key, "BundleIDs")) {
 			plist_t plistval = va_arg(args, plist_t);
 			if (!plistval) {
 				free(key);