updated files without glgrab

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77043 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
updated files without glgrab

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77044 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
get rid of execute.h

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77045 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Merge branch 'master' into power_keepalive