Fixes: Regard int() as int32() by default, which should be a coding standard (#7155)

https://github.com/XTLS/Xray-core/pull/7155#issuecomment-6208455069

Fixes https://github.com/XTLS/Xray-core/pull/7148#issuecomment-6173633056

---------

Co-authored-by: Denis Orlov <freshcrowd@gmail.com>
Co-authored-by: Milomilo777 <117558067+Milomilo777@users.noreply.github.com>

proxy/shadowsocks_2022/replay.go

@@ -49,12 +49,12 @@ func (f *SlidingWindow) Add(counter uint64) {
 
 	if counter > f.last {
 		lastBlockIndex := f.last >> swBlockBitLog
-		diff := int(blockIndex - lastBlockIndex)
+		diff := blockIndex - lastBlockIndex
 		if diff > swRingBlocks {
 			diff = swRingBlocks
 		}
 
-		for i := 0; i < diff; i++ {
+		for i := 0; i < int(diff); i++ {
 			lastBlockIndex = (lastBlockIndex + 1) & swBlockMask
 			f.ring[lastBlockIndex] = 0
 		}