add re dep

Author: jaredly

.travis.yml

@@ -7,6 +7,7 @@ before_install:
   - opam switch "$OCAML_VERSION"
   - eval `opam config env`
   - opam update
+  - opam install -y re
 before_script:
   - opam pin add -y ReasonNativeProject .
 script:

test-with-version.sh

@@ -8,6 +8,7 @@ make clean
 opam switch "${OCAML_VERSION}"
 eval `opam config env`
 opam update
+opam install -y re
 opam pin add -y ReasonNativeProject .
 make run
 git diff --exit-code