sockfilt: suppress conversion warning with explicit cast

MSVC warns when implicitly casting -1 to unsigned long.

diff --git a/tests/server/sockfilt.c b/tests/server/sockfilt.c
index 42071a5bc421b563f12a4400fbdbf30315bdee07..6695d8486cdf265d938e0cb219c0b6c3f4efd739 100644 (file)
--- a/tests/server/sockfilt.c
+++ b/tests/server/sockfilt.c
@@ -549,7 +549,7 @@ static DWORD WINAPI select_ws_wait_thread(LPVOID lpParameter)
     free(data);
   }
   else
-    return -1;
+    return (DWORD)-1;
 
   /* retrieve the type of file to wait on */
   type = GetFileType(handle);