Remove strdup from argument parsing in Process::Start()
Remove strdup from argument parsing in Process::Start()

The data pointed to by the args should still be valid. There's no real
need to copy the data.

freedesktop-unofficial-mirror/xorg__test__xorg-gtest,freedesktop-unofficial-mirror/xorg__test__xorg-gtest,freedesktop-unofficial-mirror/xorg__test__xorg-gtest