Bump version to 1.2.1
diff --git a/configure.ac b/configure.ac
index 536df9e..8dfd721 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 
 m4_define([wayland_major_version], [1])
 m4_define([wayland_minor_version], [2])
-m4_define([wayland_micro_version], [0])
+m4_define([wayland_micro_version], [1])
 m4_define([wayland_version],
           [wayland_major_version.wayland_minor_version.wayland_micro_version])