add support for v8.3 ida pro plugin

Author: geocine

PluginGeneric/AttachDialog.cpp

@@ -27,7 +27,7 @@ extern HWND hwmain; // Handle of main OllyDbg window
 #elif OLLY2
 HWND hwmain = hwollymain;
 #elif __IDP__
-HWND hwmain = (HWND)callui(ui_get_hwnd).vptr;
+HWND hwmain = GetForegroundWindow();
 #elif X64DBG
 extern HWND hwndDlg;
 HWND hwmain;