Update compiler constraint.

paurkedal · paurkedal · commit e1a125f7590e · 2017-08-18T20:37:55.000+02:00
diff --git a/ppx_regexp.opam b/ppx_regexp.opam
@@ -13,4 +13,4 @@ depends: [
   "ppx_tools_versioned" {build}
   "topkg-jbuilder" {build}
 ]
-available: [ocaml-version >= "4.03.0"]
+available: [ocaml-version >= "4.02.3"]
