HTPDATE is found in /usr/sbin/ path
HTPDATE is found in /usr/sbin/ path

Change-Id: Ibd0bc8b8fdbbe33b86dd79c5c4ced480e9619e64

BUG= chromium-os:10894
TEST= run network_diag from crosh
STATUS= fixed

Review URL: http://codereview.chromium.org/6622001

joshfire/chromiumos-platform-window_manager,joshfire/chromiumos-platform-window_manager,joshfire/chromiumos-platform-window_manager,joshfire/chromiumos-platform-window_manager