include: Add the lineInitializeEx() option constants.

include/tapi.h

@@ -305,6 +305,11 @@ typedef HANDLE HPHONEAPP, *LPHPHONEAPP;
 #define LINECALLFEATURE_UNHOLD              0x08000000
 #define LINECALLFEATURE_RELEASEUSERUSERINFO 0x10000000
 
+#define LINEINITIALIZEEXOPTION_USEHIDDENWINDOW   0x00000001
+#define LINEINITIALIZEEXOPTION_USEEVENT          0x00000002
+#define LINEINITIALIZEEXOPTION_USECOMPLETIONPORT 0x00000003
+#define LINEINITIALIZEEXOPTION_CALLHUBTRACKING   0x80000000
+
 typedef struct lineaddresscaps_tag {
     DWORD dwTotalSize;
     DWORD dwNeededSize;