libs/core: fix undefined tostring() in network model

diff --git a/libs/core/luasrc/model/network.lua b/libs/core/luasrc/model/network.lua
index aaa39086ae7cebc1d342a25fdca24ebdfa600331..d682aa954f860e7a871adda599898b35c9348e4b 100644 (file)
--- a/libs/core/luasrc/model/network.lua
+++ b/libs/core/luasrc/model/network.lua
@@ -17,8 +17,11 @@ limitations under the License.
 
 ]]--
 
-local type, next, pairs, ipairs, loadfile, table, tonumber, math, i18n
-       = type, next, pairs, ipairs, loadfile, table, tonumber, math, luci.i18n
+local type, next, pairs, ipairs, loadfile, table
+       = type, next, pairs, ipairs, loadfile, table
+
+local tonumber, tostring, math, i18n
+       = tonumber, tostring, math, luci.i18n
 
 local require = require