Update opam file after conversion to dune.

Author: paurkedal

mariadb.opam

@@ -10,15 +10,20 @@ synopsis: "OCaml bindings for MariaDB"
 description: "OCaml-MariaDB provides Ctypes-based bindings for MariaDB, including its nonblocking API."
 
 build: [
-  ["./configure" "--prefix=%{prefix}%"]
-  [make]
+  ["dune" "subst"] {dev}
+  ["dune" "build" "-p" name "-j" jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
 ]
-install: [make "install"]
 depends: [
   "ocaml" {>= "4.07.0"}
-  "ocamlfind" {build}
-  "ocamlbuild" {build}
   "ctypes" {>= "0.7.0"}
   "conf-mariadb"
   "conf-gcc"
+  "dune"
+  "dune-configurator"
+  "async" {with-test}
+  "lwt" {with-test}
 ]