Add some missing double quotes.
authorAndre Noll <maan@tuebingen.mpg.de>
Sat, 7 Oct 2017 13:02:43 +0000 (15:02 +0200)
committerAndre Noll <maan@tuebingen.mpg.de>
Sat, 7 Oct 2017 13:02:43 +0000 (15:02 +0200)
commit8ab2321bcdb1d7f018bdd398c1b7b1a4da5d22e5
tree244a6d32ea9c076ec32b7f31520b4d4ec8ae47e2
parent7118adb657e4baaa35515622057fc79a60788992
Add some missing double quotes.

All of these were found by shellcheck. Some are harmless, but let's
fix them anyway.
config
gui
subcommand