Give sudo more time to terminate

On initial startup sudo might need more time - increase the wait timer
to 2 seconds.
# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	modified:   mainwindow.cpp
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	../src-build-desktop/
#	../src-build-maemo/
#	src.pro.user
