gnucash maint: Use a more specific regex to install icons

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/b79c9d15 (commit)
	from  https://github.com/Gnucash/gnucash/commit/d865b149 (commit)



commit b79c9d150f1be1f4544e64a1b08ff3977fb1476f
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Wed Jul 4 11:30:58 2018 +0200

    Use a more specific regex to install icons
    
    The generic regex could exclude too much if the source directory
    is a descendant of a directory called actions or apps.
    
    Discoverd by Colin Law.



Summary of changes:
 data/pixmaps/CMakeLists.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)