misc: Make sure uri_parse/1 returns strings

The uri_string:parse/1 function returns the URI elements as strings or
as binaries depending on the input.  Make sure misc:uri_parse/1 returns
strings in both cases, analogous to the behavior when USE_OLD_HTTP_URI
is defined.

src/misc.erl

@@ -62,6 +62,8 @@ uri_parse(URL) ->
     {ok, {Scheme, _UserInfo, Host, Port, Path, _Query}} = http_uri:parse(URL),
     {ok, Scheme, Host, Port, Path}.
 -else.
+uri_parse(URL) when is_binary(URL) ->
+    uri_parse(binary_to_list(URL));
 uri_parse(URL) ->
     #{scheme:=Scheme,host:=Host,port:=Port,path:=Path} = uri_string:parse(URL),
     {ok, Scheme, Host, Port, Path}.