include: Add missing connection check flags to wininet.h.

include/wininet.h

@@ -1708,10 +1708,13 @@ INTERNETAPI BOOL WINAPI InternetAutodial(DWORD,HWND);
 INTERNETAPI BOOL WINAPI InternetAutodialHangup(DWORD);
 INTERNETAPI BOOL WINAPI InternetGetConnectedState(LPDWORD ,DWORD);
 
-#define INTERNET_CONNECTION_MODEM           1
-#define INTERNET_CONNECTION_LAN             2
-#define INTERNET_CONNECTION_PROXY           4
-#define INTERNET_CONNECTION_MODEM_BUSY      8
+#define INTERNET_CONNECTION_MODEM        0x01
+#define INTERNET_CONNECTION_LAN          0x02
+#define INTERNET_CONNECTION_PROXY        0x04
+#define INTERNET_CONNECTION_MODEM_BUSY   0x08
+#define INTERNET_RAS_INSTALLED           0x10
+#define INTERNET_CONNECTION_OFFLINE      0x20
+#define INTERNET_CONNECTION_CONFIGURED   0x40
 
 typedef DWORD (CALLBACK *PFN_DIAL_HANDLER) (HWND,LPCSTR,DWORD,LPDWORD);