Add proof mode dependency to opam.

17928602 · Joseph Tassarotti · d21adae8 · 17928602
Commit 17928602 authored Dec 05, 2017 by Joseph Tassarotti
--- a/opam
+++ b/opam
@@ -7,4 +7,5 @@ remove: [ "sh" "-c" "rm -rf '%{lib}%/coq/user-contrib/fri" ]
 depends: [
  "coq" { >= "8.7" }
  "coq-stdpp" { (= "dev.2017-11-22.1") | (= "dev") }
-]
\ No newline at end of file
+  "coq-iris"  { (= "branch.gen_proofmode.2017-11-26.0") }
+]