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

[notmuch] / version

diff --git a/version b/version
index 5a2a5806df6e909afe3609b5706cb1012913ca0e..e3462940604b0ed68ebec6603d5b0a0cabd3c4b3 100644 (file)
--- a/version
+++ b/version
@@ -1 +1 @@
-0.6
+0.22