Fixed error message coming after camera permission allowed.

Author: surinder-tsys

app/src/main/java/com/owncloud/android/ui/activity/FileDisplayActivity.java

@@ -454,6 +454,9 @@ public void onRequestPermissionsResult(int requestCode, @NonNull String[] permis
                 if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                     // permission was granted
                     getFileOperationsHelper().uploadFromCamera(this, FileDisplayActivity.REQUEST_CODE__UPLOAD_FROM_CAMERA);
+                } else if (!shouldShowRequestPermissionRationale(permissions[0])) {
+                    // user CHECKED "never ask again"
+                    DisplayUtils.showSnackMessage(this, R.string.camera_permission_rationale);
                 }
                 break;
             default: