Unecessary parens
Unecessary parens

Signed-off-by: Jules Aguillon <8fd61c64851b77c58146a577c702b916e9611cd9@gmail.com>

janestreet/jbuilder,dra27/jbuilder,dra27/jbuilder,janestreet/jbuilder,dra27/jbuilder,dra27/jbuilder,janestreet/jbuilder,janestreet/jbuilder,janestreet/jbuilder,dra27/jbuilder,janestreet/jbuilder,dra27/jbuilder