Small fix

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

@@ -2148,8 +2148,7 @@ class Core {
                 int sequence = 1;
 
                 String autocrypt = helper.getAutocrypt();
-                if (autocrypt != null)
-                    try {
+                if (autocrypt != null) {
                     EntityAttachment attachment = new EntityAttachment();
                     attachment.message = message.id;
                     attachment.sequence = sequence++;
@@ -2158,6 +2157,7 @@ class Core {
                     attachment.disposition = Part.ATTACHMENT;
                     attachment.id = db.attachment().insertAttachment(attachment);
 
+                    try {
                         byte[] b = Base64.decode(autocrypt, Base64.DEFAULT);
 
                         File file = attachment.getFile(context);
@@ -2170,6 +2170,9 @@ class Core {
                         db.attachment().setDownloaded(attachment.id, file.length());
                     } catch (IllegalArgumentException ex) {
                         Log.w(ex);
+                        db.attachment().setDownloaded(attachment.id, 0L);
+                        db.attachment().setError(attachment.id, Log.formatThrowable(ex, false));
+                    }
                 }
 
                 List<EntityAttachment> attachments = parts.getAttachments();