configure: SC2006: Use $(..) instead of legacy `..`

[notmuch] / version

diff --git a/version b/version
index 9f565a42af31ef718f964b90f97063afa3bebee3..e3462940604b0ed68ebec6603d5b0a0cabd3c4b3 100644 (file)
--- a/version
+++ b/version
@@ -1 +1 @@
-0.18~rc1
+0.22