bring back the http test

vlib/http/http_test.v

@@ -1,5 +1,5 @@
 import net.urllib 
-//import http 
+import http 
 
 fn test_escape_unescape() {
 /* 
@@ -12,10 +12,8 @@ fn test_escape_unescape() {
 }
 
 fn test_http_get() {
-/* 
 	$if windows { return } 
 	assert http.get_text('https://vlang.io/version') == '0.1.5'  
 	println('http ok') 
-*/ 
 }