Don't check for the key existence, it ought to exist if we create it like
this.
Also don't allocate wxRegKey object on the heap unnecessarily.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66932 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Use "wxWindows licence" and not "wxWidgets licence" (the latter doesn't
exist) and consistently spell "licence" using British spelling.
See #12165.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64940 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Empty value refers to the default or unnamed key in Win32 API but this may be
not clear to people unused to it so mention this explicitly.
Closes#11191.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61899 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775