[gnome-logs] update NEWS for 3.27.4 release

[Jonathan Kang <jonathankang src gnome org>]

commit 53201bc5ee8862eb8351c28fb2fbd2378e081ae1
Author: Jonathan Kang <jonathan121537 gmail com>
Date:   Mon Jan 8 17:44:43 2018 +0800

    update NEWS for 3.27.4 release

 NEWS         |    8 ++++++++
 configure.ac |    2 +-
 2 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index f926d36..88b3896 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+GNOME Logs 3.27.4
+=================
+
+* add meson build system
+* add missing LINGUAS file
+* add warning cflags support in meson
+* updates to Spanish, Serbian and Swedish translations
+
 GNOME Logs 3.27.3
 =================
 
diff --git a/configure.ac b/configure.ac
index ac1c785..da53617 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_INIT([Logs],
-        [3.27.3],
+        [3.27.4],
         [davidk gnome org],
         [gnome-logs],
         [https://wiki.gnome.org/Apps/Logs])