[clutter] Post-release version bump to 1.21.7

[Emmanuele Bassi <ebassi src gnome org>]

commit 4591435c35b920e21a8885e58ebd7779acc2a7a5
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Mar 3 16:25:13 2015 +0000

    Post-release version bump to 1.21.7

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9127a5a..bbe7714 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,7 +10,7 @@
 # - increase clutter_interface_version to the next odd number
 m4_define([clutter_major_version], [1])
 m4_define([clutter_minor_version], [21])
-m4_define([clutter_micro_version], [6])
+m4_define([clutter_micro_version], [7])
 
 # • for stable releases: increase the interface age by 1 for each release;
 #   if the API changes, set to 0. interface_age and binary_age are used to