docfd: added version lower bound to cmdliner

Author: darrenldl

packages/docfd/docfd.0.3.3/opam

@@ -19,8 +19,8 @@ depends: [
   "spelll"
   "notty"
   "nottui"
-  "cmdliner"
   "lwd" {>= "0.2"}
+  "cmdliner" {>= "1.1.0"}
   "odoc" {with-doc}
 ]
 build: [