[gtk+] Bump version to 3.15.5

[Emmanuele Bassi <ebassi src gnome org>]

commit 4b173fcde91a85ff01d7efe644dc08c5ccf4224b
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Feb 2 16:51:14 2015 +0000

    Bump version to 3.15.5
    
    We need the bump in order to allow projects to depend on newly added
    API.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 120b889..31a0b02 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,7 +10,7 @@
 
 m4_define([gtk_major_version], [3])
 m4_define([gtk_minor_version], [15])
-m4_define([gtk_micro_version], [4])
+m4_define([gtk_micro_version], [5])
 m4_define([gtk_interface_age], [0])
 m4_define([gtk_binary_age],
           [m4_eval(100 * gtk_minor_version + gtk_micro_version)])