Bug fix

MeltDown button sets the count to negative when pressed below 0.(no more negative values)

Author: praveenkumar-programmer

app/src/main/java/com/geeks4ever/counter_app/viewmodel/CounterViewModel.java

@@ -43,8 +43,10 @@ public void IncrementCount(){
 
     public int DecrementCount(){
         int countint = Integer.parseInt(Objects.requireNonNull(count.getValue()));
-        countint--;
-        countRepository.setCount(countint);
+        if (countint > 0){
+            countint--;
+            countRepository.setCount(countint);
+        }
         return countint;
     }