build: fix unbound variable in configure

[notmuch] / version

diff --git a/version b/version
index 9e40e75c5d2a4d09d4c51c1e13101816d7209157..7d385d419cc848ee6394256288edbcd8f4f7522a 100644 (file)
--- a/version
+++ b/version
@@ -1 +1 @@
-0.23.3
+0.25