configure.ac: bump to version 1.11.93 for the RC1 release
diff --git a/configure.ac b/configure.ac
index 3d4b700..076b336 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,11 +1,11 @@
 m4_define([weston_major_version],  [1])
 m4_define([weston_minor_version],  [11])
-m4_define([weston_micro_version],  [92])
+m4_define([weston_micro_version],  [93])
 m4_define([weston_version],
           [weston_major_version.weston_minor_version.weston_micro_version])
 m4_define([libweston_major_version], [1])
 m4_define([libweston_minor_version], [11])
-m4_define([libweston_patch_version], [92])
+m4_define([libweston_patch_version], [93])
 
 AC_PREREQ([2.64])
 AC_INIT([weston],