wininet: Fix build on Mac OS X 10.5.8.

[Hans Leidekker]

---
 dlls/wininet/internet.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c
index 8ea2803..4389c98 100644
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -2400,7 +2400,8 @@ BOOL WINAPI InternetReadFileExW(HINTERNET hFile, LPINTERNET_BUFFERSW lpBuffer,
 
 static BOOL get_proxy_autoconfig_url( char *buf, DWORD buflen )
 {
-#ifdef HAVE_CORESERVICES_CORESERVICES_H
+#if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+
     CFDictionaryRef settings = CFNetworkCopySystemProxySettings();
     const void *ref;
     BOOL ret = FALSE;
-- 
1.8.5.2 (Apple Git-48)