Prevent crash

app/src/main/java/eu/faircode/email/FragmentBase.java

@@ -382,10 +382,13 @@ public class FragmentBase extends Fragment {
 
             @Override
             protected void onException(Bundle args, Throwable ex) {
-                if (ex instanceof RecoverableSecurityException &&
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
-                        Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    if (ex instanceof RecoverableSecurityException) {
                         handle((RecoverableSecurityException) ex);
-                } else if (ex instanceof IllegalArgumentException || ex instanceof FileNotFoundException)
+                        return;
+                    }
+
+                if (ex instanceof IllegalArgumentException || ex instanceof FileNotFoundException)
                     ToastEx.makeText(getContext(), ex.getMessage(), Toast.LENGTH_LONG).show();
                 else
                     Log.unexpectedError(getParentFragmentManager(), ex);
@@ -461,10 +464,12 @@ public class FragmentBase extends Fragment {
 
             @Override
             protected void onException(Bundle args, Throwable ex) {
-                if (ex instanceof RecoverableSecurityException &&
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
-                        Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    if (ex instanceof RecoverableSecurityException) {
                         handle((RecoverableSecurityException) ex);
-                } else
+                        return;
+                    }
+
                 Log.unexpectedError(getParentFragmentManager(), ex);
             }
         }.execute(this, args, "attachments:save");