windows compile

src/os/src/windows/wSysinfo.c

@@ -155,8 +155,6 @@ void taosGetDisk() {
     tsTotalTmpDirGB = (float)(i64TotalBytes / unit);
     tsAvailTmpDirectorySpace = (float)(i64FreeBytes / unit);
   }
-
-  return true;
 }
 
 bool taosGetBandSpeed(float *bandSpeedKb) {

src/util/src/tsocket.c

@@ -483,5 +483,5 @@ int32_t taosCopyFds(SOCKET sfd, int32_t dfd, int64_t len) {
     leftLen -= readLen;
   }
 
-  return len;
+  return (int32_t)len;
 }