dev-ml/qmp: add 0.18.0, drop 0.17.0

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-ml/qmp/files/qmp-0.18.0-ounit2.patch

@@ -0,0 +1,37 @@
+diff --git a/README.md b/README.md
+index cc6df4b..0595368 100644
+--- a/README.md
++++ b/README.md
+@@ -8,7 +8,7 @@ OCaml implementation of the Qemu Monitor Protocol (QMP)
+ Install the dependencies using OPAM:
+ 
+ ```sh
+-opam install yojson cmdliner dune ounit
++opam install yojson cmdliner dune ounit2
+ ```
+ 
+ Build the library, tests, and CLI:
+diff --git a/lib_test/dune b/lib_test/dune
+index acc68b9..a587594 100644
+--- a/lib_test/dune
++++ b/lib_test/dune
+@@ -6,5 +6,5 @@
+ 
+ (executable
+   (name messages)
+-  (libraries libqmp oUnit)
++  (libraries libqmp ounit2)
+ )
+diff --git a/qmp.opam b/qmp.opam
+index 2e21b12..571b58f 100644
+--- a/qmp.opam
++++ b/qmp.opam
+@@ -17,7 +17,7 @@ depends: [
+   "dune" {build}
+   "yojson"
+   "cmdliner"
+-  "ounit" {with-test}
++  "ounit2" {with-test}
+ ]
+ dev-repo: "git://github.com/xapi-project/ocaml-qmp"
+ synopsis: "OCaml implementation of a Qemu Message Protocol (QMP) client"