elm: config: check return value of eina_value_get instead of returning always TRUE

There is always a chance that eina_value_get will not return EINA_TRUE here so
better check it and use it as return value directly.

CID: 1357138

src/lib/elementary/elm_config.c

@@ -4348,8 +4348,7 @@ _eina_value_to_int(const Eina_Value *val, int *i)
 
    if (eina_value_type_get(val) == EINA_VALUE_TYPE_INT)
      {
-        eina_value_get(val, i);
-        return EINA_TRUE;
+        return eina_value_get(val, i);
      }
 
    ival = eina_value_new(EINA_VALUE_TYPE_INT);