urlmon: Compare HRESULT value explicitly against S_OK instead of using an implicit != 0 comparison.

dlls/urlmon/umon.c

diff --git a/dlls/urlmon/umon.c b/dlls/urlmon/umon.c
index d6a4242..793a8f0 100644
--- a/dlls/urlmon/umon.c
+++ b/dlls/urlmon/umon.c
@@ -237,7 +237,7 @@
     IBindStatusCallback_OnProgress(This->pbscb, This->total_read, This->expected_size,
                                    BINDSTATUS_ENDDOWNLOADDATA, This->URLName);
     IBindStatusCallback_OnDataAvailable(This->pbscb, BSCF_LASTDATANOTIFICATION, This->total_read, &fmt, &stg);
-    if (hr)
+    if (hr != S_OK)
     {
 	WCHAR *pwchError = 0;