Hans Leidekker : ws2_32: Avoid a crash with tracing on.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 59a1e6bff913100d5c191d333c8d1198cb8a0bdf
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=59a1e6bff913100d5c191d333c8d1198cb8a0bdf

Author: Hans Leidekker <hans at codeweavers.com>
Date:   Wed Oct  2 16:04:48 2013 +0200

ws2_32: Avoid a crash with tracing on.

---

 dlls/ws2_32/socket.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index a5837cf..bd5a476 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -2956,7 +2956,7 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
     INT ret = 0;
 
     TRACE("socket: %04lx, level 0x%x, name 0x%x, ptr %p, len %d\n",
-          s, level, optname, optval, *optlen);
+          s, level, optname, optval, optlen ? *optlen : 0);
 
     switch(level)
     {