fix directory concatination

lua/dep.lua

@@ -63,7 +63,7 @@ function M.clean()
         while handle do
           local name = h.uv.fs_scandir_next(handle)
           if name then
-            queue[name] = packager.get_base_dir()..name
+            queue[name] = packager.get_base_dir().."/"..name
           else
             break
           end

lua/dep/package.lua

@@ -251,7 +251,7 @@ function package:new(spec, overrides)
   o.name = spec.as or o.name or id:match("^[%w-_.]+/([%w-_.]+)$")
   o.url = spec.url or o.url or ("https://github.com/"..id..".git")
   o.branch = spec.branch or o.branch
-  o.dir = base_dir..o.name
+  o.dir = base_dir.."/"..o.name
   o.commit = spec.commit
   o.pin = overrides.pin or spec.pin or o.pin
   o.enabled = not overrides.disable and not spec.disable and o.enabled