Fix license

Author: balat

opam

@@ -8,7 +8,7 @@ authors: "dev@ocsigen.org"
 homepage: "http://www.ocsigen.org"
 bug-reports: "https://github.com/ocsigen/ocsigen-toolkit/issues/"
 dev-repo: "git+https://github.com/ocsigen/ocsigen-toolkit.git"
-license: "LGPL-2.1-only with OCaml-LGPL-linking-exception"
+license: "LGPL-2.1-only WITH OCaml-LGPL-linking-exception"
 build: [ make "-j%{jobs}%" ]
 install: [ make "install" ]
 depends: [