Fix build problem introduced by merge conflict

.travis.yml

@@ -18,6 +18,6 @@ otp_release:
   - 17.4
   - R16B03-1
 script:
+  - make elvis
   - make test
   - make dialyzer
-  - make elvis

src/epgsql.app.src

@@ -1,6 +1,6 @@
 {application, epgsql,
  [{description, "PostgreSQL Client"},
-  {vsn, "4.0.0"},
+  {vsn, "4.0.1"},
   {modules, []},
   {registered, []},
   {applications, [kernel,

src/epgsqli.erl

@@ -73,7 +73,7 @@ get_cmd_status(C) ->
 squery(C, Sql) ->
     incremental(C, epgsql_cmd_squery, Sql).
 
--spec equery(epgsql:connection(), #statement{}) -> reference().
+-spec equery(epgsql:connection(), epgsql:statement()) -> reference().
 equery(C, Statement) ->
     equery(C, Statement, []).