Opam file: fix ocaml dependency

cedlemo · cedlemo · commit 850aa6e24815 · 2019-12-31T12:23:12.000+01:00
diff --git a/gobject-introspection.opam b/gobject-introspection.opam
@@ -15,7 +15,7 @@ build: [
 ]
 depends: [
   "ocaml"
-  "dune" {build}
+  "dune" {>= "1.2"}
   "ctypes"
   "ctypes-foreign"
   "ounit"
