D24447: Fix compatibility of build_theme.sh with Dash

[Alexander Kernozhitsky]

gepardo created this revision.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
gepardo requested review of this revision.

REVISION SUMMARY
  The script build_sh didn't work with Dash necause of "[[". When running it, I got the following:
  
  $ ./build_theme.sh 
  Installing into /home/gepardo/.local/share/themes/Breeze
  ./build_theme.sh: 111: [[: not found
  cp: cannot create directory '': No such file or directory

TEST PLAN
  After changing "[[" to "[", it worked fine and installed the theme

REPOSITORY
  R98 Breeze for Gtk

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D24447

AFFECTED FILES
  src/build_theme.sh

To: gepardo
Cc: plasma-devel, LeGast00n, The-Feren-OS-Dev, jraleigh, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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