upgpkg: gnuplot 4.6.4-5

Change wxgtk depends to wxgtk2.8 (close FS#38505)

git-svn-id: file:///srv/repos/svn-packages/svn@204058 eb2447ed-0c53-47e4-bac8-5bc4a241df78
archrelease: copy trunk to extra-i686, extra-x86_64

git-svn-id: file:///srv/repos/svn-packages/svn@204059 eb2447ed-0c53-47e4-bac8-5bc4a241df78