Prepare for release: remove staging/release tags.
diff --git a/acinclude.m4.in b/acinclude.m4.in
index 6423cfc..c569eac 100644
--- a/acinclude.m4.in
+++ b/acinclude.m4.in
@@ -19,8 +19,8 @@
 m4_define([LOCAL_VERSION_MAJOR], [1])
 m4_define([LOCAL_VERSION_MINOR], [4])
 m4_define([LOCAL_VERSION_REVISION], [0])
-m4_define([LOCAL_VERSION_STAGE], [+build])
-m4_define([LOCAL_VERSION_RELEASE], [.%revision%])
+m4_define([LOCAL_VERSION_STAGE], [])
+m4_define([LOCAL_VERSION_RELEASE], [])
 m4_define([LOCAL_VERSION_PRIMARY],
     [LOCAL_VERSION_MAJOR.LOCAL_VERSION_MINOR.LOCAL_VERSION_REVISION])
 m4_define([LOCAL_VERSION_SECONDARY],