[dev] [sbase] chvt.c does not need to be executable

[Jakob Kramer]

so why keep it executable...

commit 8512381861878f2123a50a162a0d1ea550157da5
Author: Jakob Kramer <jakob.kra...@gmx.de>
Date:   Tue Jun 25 20:10:39 2013 +0200

    removed executable bits from chvt.c

diff --git a/chvt.c b/chvt.c
old mode 100755
new mode 100644