Changelog: Add date of 1.4 release

6e0cf5c3 · Sergio Martins · bd449030 · 6e0cf5c3
Commit 6e0cf5c3 authored Sep 23, 2018 by Sergio Martins
--- a/Changelog
+++ b/Changelog
@@ -65,7 +65,7 @@
  - Added -qt-developer option, when building Qt with clazy it will honour specific guidelines for Qt, which are not many right now but the
    list will grow.

-* v1.4 (, 2018)
+* v1.4 (September 23rd, 2018)
  - New Checks:
    connect-by-name
    skipped-base-class