[balsa] Update version strings

[Pawel Salek <pawels src gnome org>]

commit ddb011204745542be481bf0e8651026a7f70186a
Author: Pawel Salek <pawsa0 gmail com>
Date:   Tue Feb 27 06:26:07 2018 +0000

    Update version strings

 configure.ac      |    4 ++--
 meson.build       |    2 +-
 src/main-window.c |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 2b0c881..b036898 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,9 +8,9 @@ dnl ###########################################################################
 dnl Boilerplace and versioning
 dnl ###########################################################################
 
-# if autoconf is used not in a git source tree, use version=2.5.3
+# if autoconf is used not in a git source tree, use version=2.5.5
 AC_INIT([balsa],
-        m4_esyscmd([test -d .git && echo -n `git describe --tags` || echo -n 2.5.3]),
+        m4_esyscmd([test -d .git && echo -n `git describe --tags` || echo -n 2.5.5]),
         [])
 
 AM_INIT_AUTOMAKE
diff --git a/meson.build b/meson.build
index f37456c..bba96e5 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('balsa', 'c',
-        version         : '2.5.3',
+        version         : '2.5.5',
         default_options : 'sysconfdir=/etc')
 
 # if meson is used not in a git source tree, use project version:
diff --git a/src/main-window.c b/src/main-window.c
index ff07a33..19e0ce7 100644
--- a/src/main-window.c
+++ b/src/main-window.c
@@ -982,7 +982,7 @@ about_activated(GSimpleAction * action,
     gtk_show_about_dialog(window,
                           "version", BALSA_VERSION,
                           "copyright",
-                          "Copyright \xc2\xa9 1997-2016 The Balsa Developers",
+                          "Copyright \xc2\xa9 1997-2018 The Balsa Developers",
                           "comments",
                           _("The Balsa email client is part of "
                             "the GNOME desktop environment."),