Initialize wxhInstance in console MSW applications too.

Console applications still may need to create windows and for this a valid
HINSTANCE is needed. So set it ourselves during wx initialization.

Closes #11727.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63555 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/init.cpp

@@ -38,6 +38,7 @@
 #include "wx/except.h"
 
 #if defined(__WXMSW__)
+    #include "wx/msw/private.h"
     #include "wx/msw/msvcrt.h"
 
     #ifdef wxCrtSetDbgFlag
@@ -238,6 +239,16 @@ static bool DoCommonPreInit()
     wxLog::GetActiveTarget();
 #endif // wxUSE_LOG
 
+#ifdef __WXMSW__
+    // GUI applications obtain HINSTANCE in their WinMain() but we also need to
+    // initialize the global wxhInstance variable for the console programs as
+    // they may need it too, so set it here if it wasn't done yet
+    if ( !wxGetInstance() )
+    {
+        wxSetInstance(::GetModuleHandle(NULL));
+    }
+#endif // __WXMSW__
+
     return true;
 }