D27622: only find bash once

[Nathaniel Graham]

ngraham accepted this revision.

REPOSITORY
  R266 Breeze Icons

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D27622

To: sitter, bshah, ngraham
Cc: broulik, kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, 
bruns