libs/core: Added mising import for math module to luci.util

diff --git a/libs/core/luasrc/util.lua b/libs/core/luasrc/util.lua
index 6cefb8e..c189c29 100644 (file)
--- a/libs/core/luasrc/util.lua
+++ b/libs/core/luasrc/util.lua
@@ -25,6 +25,7 @@ limitations under the License.
 ]]--
 
 local io = require "io"
+local math = require "math"
 local table = require "table"
 local debug = require "debug"
 local string = require "string"