Fix: BG Units prediction

LoopFollow/Controllers/NightScout.swift

@@ -448,7 +448,7 @@ extension MainViewController {
                         }
                         let predMin = prediction.min()
                         let predMax = prediction.max()
-                        tableData[9].value = String(predMin!) + "-" + String(predMax!)
+                        tableData[9].value = bgUnits.toDisplayUnits(String(predMin!)) + "/" + bgUnits.toDisplayUnits(String(predMax!))
                         
                         if UserDefaultsRepository.graphPrediction.value {
                             updatePredictionGraph()

LoopFollow/repository/UserDefaults.swift

@@ -23,7 +23,7 @@ class UserDefaultsRepository {
         "SAGE",
         "CAGE",
         "Rec. Bolus",
-        "Pred. Min-Max"])
+        "Pred. Min/Max"])
     static let infoSort = UserDefaultsValue<[Int]>(key: "infoSort", default: [0,1,2,3,4,5,6,7,8,9])
     static let infoVisible = UserDefaultsValue<[Bool]>(key: "infoVisible", default: [true,true,true,true,true,true,true,true,true,true])