Updating to work with java 1.6

Author: sk02241994

src/main/java/org/json/JSONObject.java

@@ -3531,7 +3531,7 @@ private <E extends Enum<E>> E stringToEnum(Class<?> enumClass, String value) thr
             @SuppressWarnings("unchecked")
             Method valueOfMethod = enumClass.getMethod("valueOf", String.class);
             return (E) valueOfMethod.invoke(null, value);
-        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
+        } catch (Exception e) {
             throw new JSONException("Failed to convert string to enum: " + value + " for " + enumClass.getName(), e);
         }
     }