Fix bug in stack frame trimming.

If inlining happened in a certain way, too much could be trimmed from
the bottom of the stack trace, because we would only include the first
entry with the last kept address, rather than all entries with that last
kept address.

src/lib.rs

@@ -808,10 +808,10 @@ fn finish(dhat: &mut Dhat) -> Option<Globals> {
                                 next_ftbl_idx - 1
                             });
                             fs.push(ftbl_idx);
+                        }
 
-                            if Some(frame.ip()) == last_frame_ip_to_show {
-                                break 'outer;
-                            }
+                        if Some(frame.ip()) == last_frame_ip_to_show {
+                            break 'outer;
                         }
                     }