wininet: Send notifications from InternetWriteFile.

dlls/wininet/http.c

diff --git a/dlls/wininet/http.c b/dlls/wininet/http.c
index 4216e55..c35badc 100644
--- a/dlls/wininet/http.c
+++ b/dlls/wininet/http.c
@@ -1878,10 +1878,13 @@
     BOOL ret;
     LPWININETHTTPREQW lpwhr = (LPWININETHTTPREQW)hdr;
 
+    INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext, INTERNET_STATUS_SENDING_REQUEST, NULL, 0);
+
     *written = 0;
     if ((ret = NETCON_send(&lpwhr->netConnection, buffer, size, 0, (LPINT)written)))
         lpwhr->dwBytesWritten += *written;
 
+    INTERNET_SendCallback(&lpwhr->hdr, lpwhr->hdr.dwContext, INTERNET_STATUS_REQUEST_SENT, written, sizeof(DWORD));
     return ret;
 }