add newlines on eof

docker/nginx/libs/skynet/modules.spec.lua

@@ -92,4 +92,4 @@ describe("is_disabled", function()
          skynet_modules.is_disabled("gandalf")
       end, "Module abbreviation 'gandalf' should be exactly one character long string")
    end)
-end)
+end)

docker/nginx/libs/skynet/scanner.spec.lua

@@ -118,4 +118,4 @@ describe("scan_skylink_timer", function()
             "foo != bar"
         )
     end)
-end)
+end)