Remove (a? the last?) extraneous semicolon

Bug: chromium:926235
Change-Id: Ie30810641c1d0dcc735002443f7a18facd9508a8
Reviewed-on: https://chromium-review.googlesource.com/c/1475993
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
diff --git a/client/crash_report_database.h b/client/crash_report_database.h
index d115c74..1d6a9ed 100644
--- a/client/crash_report_database.h
+++ b/client/crash_report_database.h
@@ -163,7 +163,7 @@
     //! This is not implemented on macOS or Windows.
     std::map<std::string, FileReader*> GetAttachments() const {
       return attachment_map_;
-    };
+    }
 
    private:
     friend class CrashReportDatabase;