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

[notmuch] / version

diff --git a/version b/version
index 847e9aef6d1fc26617ae67d57b2cf5f920bd5efe..e3462940604b0ed68ebec6603d5b0a0cabd3c4b3 100644 (file)
--- a/version
+++ b/version
@@ -1 +1 @@
-0.20.1
+0.22