Small fix

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

@@ -4647,6 +4647,7 @@ public class FragmentCompose extends FragmentBase {
                                 @Override
                                 public void run() {
                                     try {
+                                        if (adapter != null)
                                             adapter.set(a);
                                     } catch (Throwable ex) {
                                         Log.e(ex);