wininet: add a stub for ShowClientAuthCerts (try 2)

[Austin English]

Follow up to http://www.winehq.org/pipermail/wine-patches/2011-October/108128.html.
Juan pointed out privately that the prototype was wrong, verified it
against Win7 SDK.

Fixes http://bugs.winehq.org/show_bug.cgi?id=28829

-- 
-Austin
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diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c
index 020fe2c..43be36d 100644
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -4385,3 +4385,9 @@ BOOL WINAPI InternetQueryFortezzaStatus(DWORD *a, DWORD_PTR b)
     FIXME("(%p, %08lx) stub\n", a, b);
     return 0;
 }
+
+DWORD WINAPI ShowClientAuthCerts(HWND parent)
+{
+    FIXME("%p: stub\n", parent);
+    return 0;
+}
diff --git a/dlls/wininet/wininet.spec b/dlls/wininet/wininet.spec
index 82b0d7d..2daee9c 100644
--- a/dlls/wininet/wininet.spec
+++ b/dlls/wininet/wininet.spec
@@ -234,7 +234,7 @@
 @ stdcall SetUrlCacheGroupAttributeW(int64 long long ptr ptr)
 @ stub SetUrlCacheHeaderData
 @ stub ShowCertificate
-@ stub ShowClientAuthCerts
+@ stdcall ShowClientAuthCerts(ptr)
 @ stub ShowSecurityInfo
 @ stdcall ShowX509EncodedCertificate(ptr ptr long)
 @ stdcall UnlockUrlCacheEntryFile(str long) UnlockUrlCacheEntryFileA