style: tiny style changes/fixes

exec.go

@@ -173,6 +173,7 @@ func lookpath(file string) error {
 
 	return os.ErrNotExist
 }
+
 func findExecutable(name string) error {
 	f, err := os.Stat(name)
 	if err != nil {

preload.lua

@@ -3,7 +3,7 @@ local bait = require 'bait'
 local commander = require 'commander'
 local fs = require 'fs'
 local lunacolors = require 'lunacolors'
-local _ require 'succulent' -- Function additions
+local _ = require 'succulent' -- Function additions
 local oldDir = hilbish.cwd()
 
 local shlvl = tonumber(os.getenv 'SHLVL')